blot 1 (bl?t)n.1. A spot or a stain caused by a discoloring substance: a blot of paint.2. An association of disgrace with one’s character or reputation. See Synonyms at stain.3. a. A laboratory technique, such as a Southern blot analysis, that involves electrophoretically separating proteins or nucleic acids and transferring them to a membrane.b. The membrane onto which these proteins or nucleic acids have been transferred.v. blot·ted, blot·ting, blots v.tr.1. To soak up or dry with absorbent material. Often used with up: blotted the spill with a napkin; used a rag to blot up the paint.2. a. To make obscure or invisible; hide. Often used with out: clouds blotting out the moon.b. To render invisible or unreadable by marking; obliterate. Often used with out: blotted out the names with a pen.c. To remove or block from personal memory or public remembrance. Often used with out: “His death in the hour of victory blotted out his failings and left a heroic memory” (N.A.M. Rodger).3. To spot or stain, as with a discoloring substance: Grass stains blotted the knees of his pants.4. To bring moral disgrace to: an incident that blotted the senator’s reputation.v.intr.1. To spill or spread in a spot or stain.2. To become blotted, soaked up, or absorbed.[Middle English.]blot 2 (bl?t)n.1. Games An exposed piece in backgammon.2. Archaic A weak point.[Possibly from Low German blat, naked, unprotected.]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.blot (bl?t) n1. a stain or spot of ink, paint, dirt, etc2. something that spoils or detracts from the beauty or worth of something3. a blemish or stain on one’s character or reputationvb, blots, blotting or blotted4. (of ink, dye, etc) to form spots or blobs on (a material) or (of a person) to cause such spots or blobs to form on (a material)5. blot one’s copybook informal to spoil one’s reputation by making a mistake, offending against social customs, etc6. (intr) to stain or become stained or spotted7. (tr) to cause a blemish in or on; disgrace8. to soak up (excess ink, etc) by using blotting paper or some other absorbent material9. (of blotting paper or some other absorbent material) to absorb (excess ink, etc)10. a. to darken or hide completely; obscure; obliterateb. to destroy; annihilate[C14: probably of Germanic origin; compare Middle Dutch bluyster blister]blot (bl?t) n1. (Games, other than specified) backgammon a man exposed by being placed alone on a point and therefore able to be taken by the other player2. archaic a weak spot[C16: perhaps from Middle Dutch bloot poor]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014blot1 (bl?t) n., v. blot?ted, blot?ting. n. 1. a spot or stain, esp. of ink or chemicals on paper. 2. a blemish on a person’s character or reputation. v.t. 3. to spot, stain, or soil; sully. 4. to dry with absorbent paper or the like: to blot the wet pane. 5. to remove with absorbent paper or the like. v.i. 6. to make a blot; spread ink, dye, etc., in a stain. 7. to become blotted or stained. 8. to transfer components of a mixture to a chemically treated paper for analysis. 9. blot out, a. to make indistinguishable; obscure. b. to destroy completely; obliterate; wipe out. [1275?1325; Middle English blotte, akin to Old Norse blettr blot, spot, stain] blot2 (bl?t) n. 1. an exposed backgammon piece liable to be taken or forfeited. 2. Archaic. an exposed or weak point. [1590?1600] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.blotPast participle: blottedGerund: blottingImperativePresentPreteritePresent ContinuousPresent PerfectPast ContinuousPast PerfectFutureFuture PerfectFuture ContinuousPresent Perfect ContinuousFuture Perfect ContinuousPast Perfect ContinuousConditionalPast ConditionalImperativeblotblotPresentI blotyou blothe/she/it blotswe blotyou blotthey blotPreteriteI blottedyou blottedhe/she/it blottedwe blottedyou blottedthey blottedPresent ContinuousI am blottingyou are blottinghe/she/it is blottingwe are blottingyou are blottingthey are blottingPresent PerfectI have blottedyou have blottedhe/she/it has blottedwe have blottedyou have blottedthey have blottedPast ContinuousI was blottingyou were blottinghe/she/it was blottingwe were blottingyou were blottingthey were blottingPast PerfectI had blottedyou had blottedhe/she/it had blottedwe had blottedyou had blottedthey had blottedFutureI will blotyou will blothe/she/it will blotwe will blotyou will blotthey will blotFuture PerfectI will have blottedyou will have blottedhe/she/it will have blottedwe will have blottedyou will have blottedthey will have blottedFuture ContinuousI will be blottingyou will be blottinghe/she/it will be blottingwe will be blottingyou will be blottingthey will be blottingPresent Perfect ContinuousI have been blottingyou have been blottinghe/she/it has been blottingwe have been blottingyou have been blottingthey have been blottingFuture Perfect ContinuousI will have been blottingyou will have been blottinghe/she/it will have been blottingwe will have been blottingyou will have been blottingthey will have been blottingPast Perfect ContinuousI had been blottingyou had been blottinghe/she/it had been blottingwe had been blottingyou had been blottingthey had been blottingConditionalI would blotyou would blothe/she/it would blotwe would blotyou would blotthey would blotPast ConditionalI would have blottedyou would have blottedhe/she/it would have blottedwe would have blottedyou would have blottedthey would have blottedCollins English Verb Tables © HarperCollins Publishers 2011