O 1 (?)interj.1. Used before the name of or a pronoun referring to a person or thing being formally addressed: “How can I put it to you, O you who prepare to travel with important matters on your mind?” (Jo Durden-Smith).2. Used to express surprise or strong emotion: “O how I laugh when I think of my vague indefinite riches” (Henry David Thoreau).O 2The symbol for oxygen.O 3abbr.1. Sports a. offenseb. offensive2. office telephone number3. Baseball out4. outside5. outstanding6. Sports overtimeo or O (?)n. pl. o’s or O’s also os or Os 1. The 15th letter of the modern English alphabet.2. Any of the speech sounds represented by the letter o.3. The 15th in a series.4. Something shaped like the letter O.5. O One of the four major blood groups in the ABO system. Individuals with this blood group have neither A nor B antigens on the surface of their red blood cells, and have both anti-A and anti-B antibodies in their blood serum.6. A zero.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.o (??) or On, pl o’s, O’s or Os1. (Linguistics) the 15th letter and fourth vowel of the modern English alphabet2. (Phonetics & Phonology) any of several speech sounds represented by this letter, in English as in code, pot, cow, move, or form3. another name for noughtO symbol for 1. (Elements & Compounds) chem oxygen 2. (Biochemistry) a human blood type of the ABO group. See universal donor 3. (Logic) logic a particular negative categorial proposition, such as some men are not married: often symbolized as SoP. Compare A, E, I2 abbreviation for (General Sporting Terms) slang Austral offence [(for sense 3) from Latin (neg)o I deny]O (??) interj1. a variant spelling of oh2. an exclamation introducing an invocation, entreaty, wish, etc: O God!; O for the wings of a dove!. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O, o (o?) n., pl. O’s Os, o’s os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter. 3. something shaped like an O. 4. a written or printed representation of the letter O or o. O (o?) interj., n., pl. O’s. interj. 1. (used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal): Hear, O Israel! 2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.) n. 3. the exclamation ?O.? [1125?75; Middle English
O~
O/
O 1 (?)interj.1. Used before the name of or a pronoun referring to a person or thing being formally addressed: “How can I put it to you, O you who prepare to travel with important matters on your mind?” (Jo Durden-Smith).2. Used to express surprise or strong emotion: “O how I laugh when I think of my vague indefinite riches” (Henry David Thoreau).O 2The symbol for oxygen.O 3abbr.1. Sports a. offenseb. offensive2. office telephone number3. Baseball out4. outside5. outstanding6. Sports overtimeo or O (?)n. pl. o’s or O’s also os or Os 1. The 15th letter of the modern English alphabet.2. Any of the speech sounds represented by the letter o.3. The 15th in a series.4. Something shaped like the letter O.5. O One of the four major blood groups in the ABO system. Individuals with this blood group have neither A nor B antigens on the surface of their red blood cells, and have both anti-A and anti-B antibodies in their blood serum.6. A zero.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.o (??) or On, pl o’s, O’s or Os1. (Linguistics) the 15th letter and fourth vowel of the modern English alphabet2. (Phonetics & Phonology) any of several speech sounds represented by this letter, in English as in code, pot, cow, move, or form3. another name for noughtO symbol for 1. (Elements & Compounds) chem oxygen 2. (Biochemistry) a human blood type of the ABO group. See universal donor 3. (Logic) logic a particular negative categorial proposition, such as some men are not married: often symbolized as SoP. Compare A, E, I2 abbreviation for (General Sporting Terms) slang Austral offence [(for sense 3) from Latin (neg)o I deny]O (??) interj1. a variant spelling of oh2. an exclamation introducing an invocation, entreaty, wish, etc: O God!; O for the wings of a dove!. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O, o (o?) n., pl. O’s Os, o’s os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter. 3. something shaped like an O. 4. a written or printed representation of the letter O or o. O (o?) interj., n., pl. O’s. interj. 1. (used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal): Hear, O Israel! 2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.) n. 3. the exclamation ?O.? [1125?75; Middle English
o.
O.abbr.1. ocean2. Ohioo.abbr.1. Latin octarius (pint)2. also O. octavoAmerican Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
o-
o- prefix short for ortho-4 Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O, o (o?) n., pl. O’s Os, o’s os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter. 3. something shaped like an O. 4. a written or printed representation of the letter O or o. O (o?) interj., n., pl. O’s. interj. 1. (used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal): Hear, O Israel! 2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.) n. 3. the exclamation ?O.? [1125?75; Middle English
O’-
O’- prefix (in surnames of Irish Gaelic origin) descendant of: O’Corrigan. [from Irish Gaelic ó, ua descendant]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
o’
o’ (?)prep. Informal Of: lots o’ luck; top o’ the morning.[Middle English o, a, shortening of of; see of.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.o’ (?) prepinformal or archaic shortened form of of: a cup o’ tea. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O, o (o?) n., pl. O’s Os, o’s os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter. 3. something shaped like an O. 4. a written or printed representation of the letter O or o. O (o?) interj., n., pl. O’s. interj. 1. (used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal): Hear, O Israel! 2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.) n. 3. the exclamation ?O.? [1125?75; Middle English
O”
O 1 (?)interj.1. Used before the name of or a pronoun referring to a person or thing being formally addressed: “How can I put it to you, O you who prepare to travel with important matters on your mind?” (Jo Durden-Smith).2. Used to express surprise or strong emotion: “O how I laugh when I think of my vague indefinite riches” (Henry David Thoreau).O 2The symbol for oxygen.O 3abbr.1. Sports a. offenseb. offensive2. office telephone number3. Baseball out4. outside5. outstanding6. Sports overtimeo or O (?)n. pl. o’s or O’s also os or Os 1. The 15th letter of the modern English alphabet.2. Any of the speech sounds represented by the letter o.3. The 15th in a series.4. Something shaped like the letter O.5. O One of the four major blood groups in the ABO system. Individuals with this blood group have neither A nor B antigens on the surface of their red blood cells, and have both anti-A and anti-B antibodies in their blood serum.6. A zero.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.o (??) or On, pl o’s, O’s or Os1. (Linguistics) the 15th letter and fourth vowel of the modern English alphabet2. (Phonetics & Phonology) any of several speech sounds represented by this letter, in English as in code, pot, cow, move, or form3. another name for noughtO symbol for 1. (Elements & Compounds) chem oxygen 2. (Biochemistry) a human blood type of the ABO group. See universal donor 3. (Logic) logic a particular negative categorial proposition, such as some men are not married: often symbolized as SoP. Compare A, E, I2 abbreviation for (General Sporting Terms) slang Austral offence [(for sense 3) from Latin (neg)o I deny]O (??) interj1. a variant spelling of oh2. an exclamation introducing an invocation, entreaty, wish, etc: O God!; O for the wings of a dove!. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O, o (o?) n., pl. O’s Os, o’s os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter. 3. something shaped like an O. 4. a written or printed representation of the letter O or o. O (o?) interj., n., pl. O’s. interj. 1. (used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal): Hear, O Israel! 2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.) n. 3. the exclamation ?O.? [1125?75; Middle English
Õ
O 1 (?)interj.1. Used before the name of or a pronoun referring to a person or thing being formally addressed: “How can I put it to you, O you who prepare to travel with important matters on your mind?” (Jo Durden-Smith).2. Used to express surprise or strong emotion: “O how I laugh when I think of my vague indefinite riches” (Henry David Thoreau).O 2The symbol for oxygen.O 3abbr.1. Sports a. offenseb. offensive2. office telephone number3. Baseball out4. outside5. outstanding6. Sports overtimeo or O (?)n. pl. o’s or O’s also os or Os 1. The 15th letter of the modern English alphabet.2. Any of the speech sounds represented by the letter o.3. The 15th in a series.4. Something shaped like the letter O.5. O One of the four major blood groups in the ABO system. Individuals with this blood group have neither A nor B antigens on the surface of their red blood cells, and have both anti-A and anti-B antibodies in their blood serum.6. A zero.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.o (??) or On, pl o’s, O’s or Os1. (Linguistics) the 15th letter and fourth vowel of the modern English alphabet2. (Phonetics & Phonology) any of several speech sounds represented by this letter, in English as in code, pot, cow, move, or form3. another name for noughtO symbol for 1. (Elements & Compounds) chem oxygen 2. (Biochemistry) a human blood type of the ABO group. See universal donor 3. (Logic) logic a particular negative categorial proposition, such as some men are not married: often symbolized as SoP. Compare A, E, I2 abbreviation for (General Sporting Terms) slang Austral offence [(for sense 3) from Latin (neg)o I deny]O (??) interj1. a variant spelling of oh2. an exclamation introducing an invocation, entreaty, wish, etc: O God!; O for the wings of a dove!. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O, o (o?) n., pl. O’s Os, o’s os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter. 3. something shaped like an O. 4. a written or printed representation of the letter O or o. O (o?) interj., n., pl. O’s. interj. 1. (used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal): Hear, O Israel! 2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.) n. 3. the exclamation ?O.? [1125?75; Middle English
Ø
O 1 (?)interj.1. Used before the name of or a pronoun referring to a person or thing being formally addressed: “How can I put it to you, O you who prepare to travel with important matters on your mind?” (Jo Durden-Smith).2. Used to express surprise or strong emotion: “O how I laugh when I think of my vague indefinite riches” (Henry David Thoreau).O 2The symbol for oxygen.O 3abbr.1. Sports a. offenseb. offensive2. office telephone number3. Baseball out4. outside5. outstanding6. Sports overtimeo or O (?)n. pl. o’s or O’s also os or Os 1. The 15th letter of the modern English alphabet.2. Any of the speech sounds represented by the letter o.3. The 15th in a series.4. Something shaped like the letter O.5. O One of the four major blood groups in the ABO system. Individuals with this blood group have neither A nor B antigens on the surface of their red blood cells, and have both anti-A and anti-B antibodies in their blood serum.6. A zero.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.o (??) or On, pl o’s, O’s or Os1. (Linguistics) the 15th letter and fourth vowel of the modern English alphabet2. (Phonetics & Phonology) any of several speech sounds represented by this letter, in English as in code, pot, cow, move, or form3. another name for noughtO symbol for 1. (Elements & Compounds) chem oxygen 2. (Biochemistry) a human blood type of the ABO group. See universal donor 3. (Logic) logic a particular negative categorial proposition, such as some men are not married: often symbolized as SoP. Compare A, E, I2 abbreviation for (General Sporting Terms) slang Austral offence [(for sense 3) from Latin (neg)o I deny]O (??) interj1. a variant spelling of oh2. an exclamation introducing an invocation, entreaty, wish, etc: O God!; O for the wings of a dove!. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O, o (o?) n., pl. O’s Os, o’s os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter. 3. something shaped like an O. 4. a written or printed representation of the letter O or o. O (o?) interj., n., pl. O’s. interj. 1. (used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal): Hear, O Israel! 2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.) n. 3. the exclamation ?O.? [1125?75; Middle English
Ö
O 1 (?)interj.1. Used before the name of or a pronoun referring to a person or thing being formally addressed: “How can I put it to you, O you who prepare to travel with important matters on your mind?” (Jo Durden-Smith).2. Used to express surprise or strong emotion: “O how I laugh when I think of my vague indefinite riches” (Henry David Thoreau).O 2The symbol for oxygen.O 3abbr.1. Sports a. offenseb. offensive2. office telephone number3. Baseball out4. outside5. outstanding6. Sports overtimeo or O (?)n. pl. o’s or O’s also os or Os 1. The 15th letter of the modern English alphabet.2. Any of the speech sounds represented by the letter o.3. The 15th in a series.4. Something shaped like the letter O.5. O One of the four major blood groups in the ABO system. Individuals with this blood group have neither A nor B antigens on the surface of their red blood cells, and have both anti-A and anti-B antibodies in their blood serum.6. A zero.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.o (??) or On, pl o’s, O’s or Os1. (Linguistics) the 15th letter and fourth vowel of the modern English alphabet2. (Phonetics & Phonology) any of several speech sounds represented by this letter, in English as in code, pot, cow, move, or form3. another name for noughtO symbol for 1. (Elements & Compounds) chem oxygen 2. (Biochemistry) a human blood type of the ABO group. See universal donor 3. (Logic) logic a particular negative categorial proposition, such as some men are not married: often symbolized as SoP. Compare A, E, I2 abbreviation for (General Sporting Terms) slang Austral offence [(for sense 3) from Latin (neg)o I deny]O (??) interj1. a variant spelling of oh2. an exclamation introducing an invocation, entreaty, wish, etc: O God!; O for the wings of a dove!. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O, o (o?) n., pl. O’s Os, o’s os oes. 1. the 15th letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter. 3. something shaped like an O. 4. a written or printed representation of the letter O or o. O (o?) interj., n., pl. O’s. interj. 1. (used before a name in direct address, esp. in solemn or poetic language, to lend earnestness to an appeal): Hear, O Israel! 2. (used as an expression of surprise, pain, annoyance, longing, gladness, etc.) n. 3. the exclamation ?O.? [1125?75; Middle English