in·te·ger (?n?t?-j?r)n. Mathematics 1. A member of the set of positive whole numbers {1, 2, 3, … }, negative whole numbers {-1, -2, -3, … }, and zero {0}.2. A complete unit or entity.[From Latin, whole, complete; see tag- in Indo-European roots.]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.integer (??nt?d??) n1. (Mathematics) any rational number that can be expressed as the sum or difference of a finite number of units, being a member of the set ??3, ?2, ?1, 0, 1, 2, 3?2. an individual entity or whole unit[C16: from Latin: untouched, entire, from tangere to touch]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014in?te?ger (??n t? d??r) n. 1. one of the positive or negative numbers 1, 2, 3, etc., or zero. 2. a complete entity. [1500?10;