Acharacter詞源 1/eɪ̯/

• 1

  The first letter of the English alphabet, called a and written in the Latin script.

  • Apple starts with A.
  • Boxer could not get beyond the letter D. He would trace out A, B, C, D, in the dust with his great hoof […]

Anum詞源 1/eɪ̯/

• 1

  The first numeral symbol of the English alphabet, called a and written in the Latin script.

  • Item A is "foods", item B is "drinks".

Asymbol詞源 2

• 1

  A rank, normally the highest rank, on any of various scales that assign letters.

  • We assign each item inspected a rating from A through G, depending on various factors.
  • In the UK, the highest social grade is A – upper middle class.
• 2

  educationThe highest letter grade assigned (disregarding plusses and minuses).

  • I was so happy to get an A on that test.
  • Darcy's pretty sharp. She pulls A's.
• 3

  entertainmentlifestylemusicA tone three fifths above C in the cycle of fifths; the sixth tone of the C major scale; the first note of the minor scale of A minor; the reference tone that occurs at exactly 440 Hz; the printed or written note A; the scale with A as its keynote.

  • Orchestras traditionally tune to a concert A.
• 4

  medicinesciencesA blood type that has a specific antigen that aggravates the immune response in people with type B antigen in their blood. People with this blood type may receive blood from type A or type O but cannot receive blood from AB or B.

  • My blood type is A negative.
• 5

  chemistrynatural-sciencesphysical-sciencesMass number.

• 6

  human-scienceslogicmathematicsA universal affirmative suggestion.

• 7

  Allele dominant.

Anoun詞源 2

• 1

  Ace. (including in card games)

• 2

  Acre.

• 3

  Adult; as used in film rating.

• 4

  Ammeter.

• 5

  natural-sciencesphysical-sciencesphysicsAngstrom.

• 6

  Answer.

• 7

  hobbieslifestylesportsAn assist.

• 8

  lifestylesexualityAsexual.

Aadj詞源 2

• 1

  engineeringgovernmentmilitaryAtom; atomic.

acharacter詞源 1/æ/

• 1

  The first letter of the English alphabet, written in the Latin script.

  • This expression is zero, for we have replaced the column of a''''s by the column of bs and hence the determinant has two columns identical.
  • Passmore. Capital P-a-double s-m-o-r-e.

anum詞源 1/æ/

• 1

  The first numeral symbol of the English alphabet, called ay and written in the Latin script.

anoun詞源 1/æ/

• 1

  The name of the Latin script letter A/a.

  • This piece somewhat resembles an a. On the left is a man seated on the ground, with a dog between his legs, and a large bird of prey in his hands, which appears to be biting his head.
  • But with some prelude of disparagement, / Read, mouthing out his hollow oes and aes, / Deep-chested music, and to this result.

aarticle詞源 2/eɪ/

• 1

  An unspecified example of (something); the indefinite article.

  • There was a man here looking for you yesterday.
  • He had another formidable difficulty in getting him across the river, where both horses stuck for a time in the mire, and Beatte was nearly unseated from his saddle by the force of the current and the struggles of his captive.
• 2

  One; used before score, dozen, hundred, thousand, million, etc.

  • I've seen it happen a hundred times.
  • Everybody drinks a lot in wartime, but it seemed to me that I must have drunk enough to float a couple of battleships.
• 3

  Used in some phrases denoting quantity, such as a few, a good many, a couple, a little, a bit, etc.

  • He's a bit thick, isn't he?
  • They asked me a few questions.
• 4

  Used in some phrases denoting quantity, such as a few, a good many, a couple, a little, a bit, etc.

  • There are a few hundred orders that need to be fulfilled by tomorrow.
  • The blues were eating leisurely, swimming about and opening their great mouths, spouting and filling their enormous stomachs with intense satisfaction. They had no idea of danger. There must have been about fifteen of them, peacefully feeding. One of them, its belly gorged probably with a few trillion plankton, seemed to be lying asleep on the surface.
• 5

  Used in some adverbial phrases denoting the degree or extent of an action, such as a little, a bit, a lot, etc.

  • The door was opened a little.
  • If, for example, you ask a child what he likes to do, he may say he doesn't know. However, if you watch him during free time, and note that he plays basketball a lot, you may infer that this is a high-probability behavior, and he finds it reinforcing.
• 6

  The same; one and the same. Used in phrases such as of a kind, birds of a feather, etc.

  • We are of a mind on matters of morals.
  • They're two of a kind.
• 7

  Any; every; used before a noun which has become modified to limit its scope.

  • A man who dies intestate leaves his children troubles and difficulties.
• 8

  Any; used with a negative to indicate not a single one.

  • It was so dark that we couldn't see a thing.
  • He fell all that way, and hasn't a bump on his head?

aprep詞源 3/ə/

• 1

  To do with separation; In, into.

  • torn a pieces
• 2

  To do with time; Each, per, in, on, by. Often occurs between two nouns, where the first noun occurs at the end of a verbal phrase.

  • I brush my teeth twice a day.
  • A Sundays
• 3

  To do with status; In.

  • To set the people a worke.
• 4

  archaicTo do with position or direction; In, on, at, by, towards, onto.

  • stand a tiptoe
• 5

  archaicTo do with process, with a passive verb; In the course of, experiencing.

  • The times, they are a-changin'.
• 6

  archaicTo do with an action, an active verb; Engaged in.

  • It was a doing.
  • Jacob, when he was a dying
• 7

  archaicTo do with an action/movement; To, into.

• 8

  obsoleteTo do with method; In, with.

  • Stands here a purpose.

averb詞源 4/ə/

• 1

  dialectalslangHave (auxiliary verb).

  • I'd a come, if you'd a asked.
  • So would I a done, by yonder Sunne, / If thou hadſt not come to my bed.
• 2

  raredialectalslanghad (auxiliary verb).

  • I wisht you a seen 'im; fust he looked mighty gubious; then he begins ter laff. He'll git likened ter ridin' mighty briefly."

apron詞源 5/ʌ/

• 1

  He, she, they: the third-person singular or plural nominative.

  • He've a got a great venture on hand, but what a [it] be he tell'th no man.
  • Doctors, they knaws nowt, fur a [they] says what's nawways true.
• 2

  He, she, they: the third-person singular or plural nominative.

  • a’ brushes his hat o’ mornings.
  • Well! in a come [in he came]—KING GEORGE to town, / With doust and zweat az netmeg brown, / The hosses all in smoke;
• 3

  He, she, they: the third-person singular or plural nominative.

  • A wanted me to go with her.
  • Did a do it!

aprep詞源 6/ə/

• 1

  archaicslangOf.

  • The name of John a Gaunt.
  • cloth a gold; time a day

aadv詞源 7/ɔ/

• 1

  All.

aadj詞源 7/ɔ/

• 1

  All.

acontraction詞源 9

• 1

  Used to express a future action; going to.

  • I'm a go see what's going on out there.
  • "Sure, Billy, I'm a run downstairs to the machine and get me a pack of bigarettes," he said, taking off with his Melody.

asymbol詞源 11

• 1

  Distance from leading edge to aerodynamic center.

• 2

  specific absorption coefficient

• 3

  chemistrynatural-sciencesphysical-sciencesspecific rotation

• 4

  biologygeneticsmedicineallele (recessive)

aadv詞源 12

• 1

  across

  • Do you have the answer for 23a?

anoun詞源 14

• 1

  The name of the Cyrillic script letter А/а.

aintj詞源 15

• 1

  ah; er (sound of hesitation)

  • "We will resume yesterday's discourse, young ladies," said he, "and you shall each read a page by turns; so that Miss a—Miss Short may have an opportunity of hearing you"; and the poor girls began to spell a long dismal sermon delivered at Bethesda Chapel, Liverpool, on behalf of the mission for the Chickasaw Indians.

anoun詞源 16/ˈʌ/

• 1

  informalentertainmentlifestylemusicThe fourth semiquaver (sixteenth note) of a beat.

  • The pianist played a C on the a of four.

這個拼法也被記錄為下列字的變化形：

• adulterer or adulteress
• used as a human brand
• A.M. and AM
• to
• and
• a.m.
• -a