inch en · NOUN · etymology 1
Pronunciation
Etymology
From Middle English ynche, enche, from Old English ynċe, borrowed from Latin ū̆ncia (“Roman inch, various similar units”), ultimately from Proto-Indo-European *óynos (“one”). Doublet of ounce, uncia, onça, onza, oka, ouguiya, and awqiyyah.
Meanings
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An English unit of length equal to 1/12 of a foot or 2.54 cm.
The term "precision measurement" […] refers to the art of reproducing and controlling dimensions expressed in thousandths of an inch or smaller.
1939, The Department of Education of International Business Machines Corporation, chapter I, in Precision Measurement in the Metal Working Industry, first paperback binding edition, Syracuse, N.Y.: Syracuse University Press, published 1978, →ISBN, →OCLC, page 1:The sledges of the Esquimaux are of large size, varying from six and a half to nine and even eleven feet in length, and from eighteen inches to two feet in breadth.
1873, Charles Tomlinson, chapter III, in Winter in the Arctic Regions and Summer in the Antarctic Regions, London: Society for Promoting Christian Knowledge, →OCLC, page 122:He describes the operation thus: "The heavy ram employed to impart the finishing strokes, hoisted up with double purchase and snail's pace to the summit of the Piling Engine, and then falling down like a thunderbolt on the head of the devoted timber, driving it perhaps a single half inch in to the stratum below, is well calculated to put to the test the virtue of patience, while it illustrates the old adage of—slow and sure."
1952 July, W. R. Watson, “Sankey Viaduct and Embankment”, in Railway Magazine, page 487:Youth worker Rob, 25, is 5’ 3” tall but measures 6’ 6” around his girth – just an inch less than the height of England’s beanpole striker Peter Crouch.
2012 March 7, Richard Smith, “I'm wider than I am tall: 35 stone Rob measures 6ft 6in around his waist”, in Daily Mirror, archived from the original on 16 May 2026:One rule of thumb is that the width of an adult thumb can approximate a length of one inch.
Kate Merrill: Do you ever regret it, Liz? Liz Frances: The divorce? Not as much as I regret the marriage. I miss about eight inches of Larry. I'm not referring to the diameter of his brain.
1999 February 3, Anthony Horowitz et al., “Strangler's Wood”, in Midsomer Murders:
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(figuratively) Any very short distance.
Beldame, I think we watched you at an inch.
1591 (date written), William Shakespeare, “The Second Part of Henry the Sixt, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies. […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene iv]:[B]e the consequences what they may, they shall not move an inch, nor a hair's-breadth from the ground of their groundless spiritual independence, […]
1840, Lewis Rose, chapter III, in An Humble Attempt to Put an End to the Present Divisions in the Church of Scotland, and to Promote Her Usefulness. […] , Glasgow: George Gallie, →OCLC, page 51:Don't move an inch!
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Any of various similar units of length in other traditional systems of measurement.
At the time of Augustus, the Roman inch was standardized at a length about 3% shorter than the modern English one.
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A depth of one inch on the ground, used as a measurement of rainfall.
Expect around 2 inches of rain on Saturday afternoon.
Let us consider what one inch of rain really means. If an acre of land were covered with water to the depth of only the tenth part of an inch, that layer of water would weigh more than 10 tons: thus 1 inch of rain is ten times that amount—in fact, very nearly 101 tons.
1880, Arthur Herbert Church, Food: Some Account of Its Sources, Constituents and Uses, London: Chapman and Hall, page 14:
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A depth of one inch in a glass, used as a rough measurement of alcoholic beverages.
My partner only drinks about a 1 inch pour with dinner, leaving the rest of the bottle for me.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| in | Abbr=Yes | lexicographic | |
| inch | Number=Plur | UK, colloquial | lexicographic |
| in. | Abbr=Yes | lexicographic | |
| inches | Number=Plur | lexicographic | |
| ″ | Abbr=Yes | lexicographic |
Deriveds
acre-inch · every inch · twelve-inch · budge an inch · within an inch of one's skin · within an inch of one's life · in for an inch, in for a mile · pixels per inch · half inch · square inch · give them an inch and they'll take a mile · united inch · Inchbonnie · cubic inch · slinch · inch plum · inchful · inch tracker · column inch · metric inch · Big Inch · microinch · move an inch · inch by inch · inchwide · give someone an inch and someone will take a mile · give an inch · inchlong · dots per inch · miner's inch · inch stuff · inch-perfect · Little Big Inch · pyramid inch · characters per inch · give them an inch and they'll take an ell · inchmeal · incher · half-inch · a mile wide and an inch deep
Descendants
ínǹsì · इंच · inchi · inh · 인치 · インチ · и̏нч · ইঞ্চি · inci · inç
Translations (125)
el σπιθαμή (unspecified but very short distance) · is tomma (English unit of length and traditional equivalents) · ka დუიმი (English unit of length and traditional equivalents) · fa اینچ (English unit of length and traditional equivalents) · sh и̏нч (English unit of length and traditional equivalents) · hi इंच (English unit of length and traditional equivalents) · be ца́ля (English unit of length and traditional equivalents) · id inci (English unit of length and traditional equivalents) · nod ᨶᩥ᩠᩶ᩅ (English unit of length and traditional equivalents) · sh цо̑л (English unit of length and traditional equivalents) · uz dyuym (English unit of length and traditional equivalents) · vi insơ (English unit of length and traditional equivalents) · sh cȏl (English unit of length and traditional equivalents) · da tomme (English unit of length and traditional equivalents) · uk цаль (English unit of length and traditional equivalents) · it pollice (English unit of length and traditional equivalents) · pt polegada (unspecified but very short distance) · hy դյույմ (English unit of length and traditional equivalents) · nb tomme (English unit of length and traditional equivalents) · ca polzada (English unit of length and traditional equivalents) · tt дюйм (English unit of length and traditional equivalents) · tr inç (English unit of length and traditional equivalents) · tl timuro (English unit of length and traditional equivalents) · ta அங்குலம் (English unit of length and traditional equivalents) · bg инч (English unit of length and traditional equivalents) · lt colis (English unit of length and traditional equivalents) · fi piiru (unspecified but very short distance) · ur انچ (English unit of length and traditional equivalents) · io inch (English unit of length and traditional equivalents) · ca centímetre (unspecified but very short distance) · cs coul (English unit of length and traditional equivalents) · is þumlungur (English unit of length and traditional equivalents) · nb tomme (unspecified but very short distance) · th นิ้ว (English unit of length and traditional equivalents) · fo tummi (English unit of length and traditional equivalents) · eo colo (English unit of length and traditional equivalents) · lo ນີ້ວ (English unit of length and traditional equivalents) · pl cal (English unit of length and traditional equivalents) · te అంగుళము (English unit of length and traditional equivalents) · gl pulgada (English unit of length and traditional equivalents) · hu hüvelyk (English unit of length and traditional equivalents) · yo ínǹsì (English unit of length and traditional equivalents) · ro țol (English unit of length and traditional equivalents) · cs palec (English unit of length and traditional equivalents) · cy modfedd (English unit of length and traditional equivalents) · sq inç (English unit of length and traditional equivalents) · uk дюйм (English unit of length and traditional equivalents) · be дзюйм (English unit of length and traditional equivalents) · ga orlach (English unit of length and traditional equivalents) · gl cuarta (unspecified but very short distance) · el ίντσα (English unit of length and traditional equivalents) · bg дюйм (English unit of length and traditional equivalents) · lv colla (English unit of length and traditional equivalents) · de Zoll (English unit of length and traditional equivalents) · ar بُوصَة (English unit of length and traditional equivalents) · mn инч (English unit of length and traditional equivalents) · te ఇంచి (English unit of length and traditional equivalents) · kn ಅಂಗುಳಮು (English unit of length and traditional equivalents) · vi phân Anh (English unit of length and traditional equivalents) · he אִינְץ׳ (English unit of length and traditional equivalents) · et toll (English unit of length and traditional equivalents) · sk cól (English unit of length and traditional equivalents) · sw inchi (English unit of length and traditional equivalents) · de Zoll (unspecified but very short distance) · mk цол (English unit of length and traditional equivalents) · bg милиме́тър (unspecified but very short distance) · fr poil (unspecified but very short distance) · dsb col (English unit of length and traditional equivalents) · oc poce (English unit of length and traditional equivalents) · az düym (English unit of length and traditional equivalents) · izh djuima (English unit of length and traditional equivalents) · km អ៊ីញ (English unit of length and traditional equivalents) · tl dali (English unit of length and traditional equivalents) · te ఈంచి (English unit of length and traditional equivalents) · ar شِبْر (English unit of length and traditional equivalents) · cmn 少許 /少许 (unspecified but very short distance) · vgr આંગર (English unit of length and traditional equivalents) · kk дюйм (English unit of length and traditional equivalents) · id dim (English unit of length and traditional equivalents) · tg дюйм (English unit of length and traditional equivalents) · sl palec (English unit of length and traditional equivalents) · af duim (English unit of length and traditional equivalents) · sv tum (English unit of length and traditional equivalents) · gl palmo (unspecified but very short distance) · az düymə (English unit of length and traditional equivalents) · vi phân (English unit of length and traditional equivalents) · sw inchi (unspecified but very short distance) · pt polegada (English unit of length and traditional equivalents) · nl duim (English unit of length and traditional equivalents) · vi tấc Anh (English unit of length and traditional equivalents) · te ఈంచు (English unit of length and traditional equivalents) · vi inh (English unit of length and traditional equivalents) · fr pouce (English unit of length and traditional equivalents) · ru дюйм (English unit of length and traditional equivalents) · es pulgada (English unit of length and traditional equivalents) · ja インチ (English unit of length and traditional equivalents) · enm ynche (English unit of length and traditional equivalents) · cmn 一點兒 /一点儿 (unspecified but very short distance) · br meutad (English unit of length and traditional equivalents) · ms inci (English unit of length and traditional equivalents) · nrf pouce (English unit of length and traditional equivalents) · cmn 英寸 (English unit of length and traditional equivalents) · cs kousíček (unspecified but very short distance) · cs kousek (unspecified but very short distance) · nv asdzoh (English unit of length and traditional equivalents) · ko 인치 (English unit of length and traditional equivalents) · my လက်မ (English unit of length and traditional equivalents) · sk palec (English unit of length and traditional equivalents) · fi tuuma (English unit of length and traditional equivalents) · khb ᦓᦲᧁᧉ (English unit of length and traditional equivalents) · mfe pous (English unit of length and traditional equivalents) · pl włos (unspecified but very short distance) · sh ȉnč (English unit of length and traditional equivalents) · tk dýuým (English unit of length and traditional equivalents) · la uncia (English unit of length and traditional equivalents) · vi inch (English unit of length and traditional equivalents) · bn ইঞ্চি (English unit of length and traditional equivalents) · lt plaukas (unspecified but very short distance) · mk инч (English unit of length and traditional equivalents) · nl haarbreed (unspecified but very short distance) · si අඟල් (English unit of length and traditional equivalents) · ky дюйм (English unit of length and traditional equivalents) · tg инч (English unit of length and traditional equivalents) · enm ynche (unspecified but very short distance) · gu તસુ (English unit of length and traditional equivalents)