(lower case, upper case A)
In English, the letter a usually denotes the near-open front unrounded vowel (IPA: /æ/), as in pad, the open back unrounded vowel (IPA: /ɑː/) as in father, or, followed by another vowel, the diphthong IPA: /eɪ/, as in ace.
a is the third-most common letter in English.
(plural a's or as or aes)
- The name of the Latin script letter A/a.
From Middle English and Old English lower case letter a and split of Middle English and Old English lower case letter æ.
- Old English lower case letter a from 7th century replacement by Latin lower case letter a of the Anglo-Saxon Futhorc letter ᚪ (a, “āc”), derived from Runic letter ᚫ (a, “Ansuz”).
- Old English lower case letter æ from 7th century replacement by Latin lower case ligature æ of the Anglo-Saxon Futhorc letter ᚫ (æ, “æsc”), also derived from Runic letter ᚫ (a, “Ansuz”).
- One; any indefinite example of; used to denote a singular item of a group. [First attested prior to 1150]
- There was a man here looking for you yesterday.
- Used in conjunction with the adjectives score, dozen, hundred, thousand, and million, as a function word.
- I've seen it happen a hundred times.
- One certain or particular; any single. [First attested between around 1150 to 1350]
- We've received an interesting letter from a Mrs. Miggins of London.
- The same; one. [16th Century]
- We are of a mind on matters of morals.
- Any, every; used before a noun which has become modified to limit its scope; also used with a negative to indicate not a single one.
- A man who dies intestate leaves his children troubles and difficulties.
- He fell all that way, and hasn't a bump on his head?
- Used before plural nouns modified by few, good many, couple, great many, etc.
- Someone or something like; similar to; Used before a proper noun to create an example out of it.
- The center of the village was becoming a Times Square.
Middle English, from Old English ān (“one, a, lone, sole”). The "n" was gradually lost before consonants in almost all dialects by the 15th century.
- (archaic) To do with position or direction; In, on, at, by, towards, onto. [First attested before 1150]
- Stand a tiptoe.
- To do with separation; In, into. [First attested before 1150]
- Torn a pieces.
- To do with time; Each, per, in, on, by. [First attested before 1150]
- I brush my teeth twice a day.
- To do with status; In. [First attested before 1150]
- (archaic) To do with process, with a passive verb; In the course of, experiencing. [First attested before 1150]
- (archaic) To do with an action, an active verb; Engaged in. [16th century]
- (archaic) To do with an action/movement; To, into. [16th century]
(third-person singular simple present -, present participle -, simple past and past participle -)
- Now often attached to preceding auxiliary verb. See -a.
- 1874 Thomas Hardy, Far from the Madding Crowd (Barnes & Noble Classics reprint [reset], 2005, chapter 5, page 117; from "Hardy's 1912 Wessex edition"):
- "And how Farmer James would cuss, and call thee a fool, wouldn't he, Joseph, when 'a seed his name looking so inside-out-like?" continued Matthew Moon, with feeling. / "Ay — 'a would," said Joseph meekly.
- (he): From Middle English a, ha (“he”), unstressed variant of he, from Old English hē.
- (she): From Middle English a, ha, unstressed variant of heo, hie, hi, from Old English hēo, hīo, hī feminine of hē (“he”).
- (they): From Middle English a, ha, unstressed variant of hie, hi, from Old English hīe, hī plural of hē (“he”).
- (it): From Middle English a, ha, unstressed variant of he, heo, from Old English hit (“it”).
- (I): From Middle English variant of the word I.
- A meaningless syllable; ah.
Variant spelling of ah.
- (archaic, slang) Of.
- The name of John a Gaunt.
- Often attached without a hyphen to preceding word.
From Middle English, contraction of of.
- (chiefly Scotland) All. [First attested from 1350 to 1470.]
- Distance from leading edge to aerodynamic center.
- specific absorption coefficient
- specific rotation
- allele (recessive)
- achievement age
- alcoholics anonymous
- amino acid
- (military) Initialism of antiaircraft.
- (military) Initialism of antiaircraft.
- Alternative form of aa.