Search results for 'A':

A¹ or a noun (As, A's or a's) 1 the first letter of the English alphabet. 2 (A) music a the sixth note on the scale of C major; b the musical key which has this note as its base. 3 (usually A) someone or something of first class, first in a sequence, or belonging to a class arbitrarily designated A. 4 medicine one of the four blood types in the ABO blood group system. 5 the principal series of paper sizes, ranging from A0 (841 x 1189mm) to A10 (26 x 37mm). from A to B from one place or point to another. from A to Z from beginning to end.

A² abbreviation 1 absolute (temperature). 2 cards ace. 3 acre or acres. 4 music alto. 5 ammeter. 6 ampere or amperes. 7 angstrom. 8 area. 9 argon. 10 atomic weight. 11 IVR Austria.

a¹ (used before a consonant or consonant sound, eg a boy, a one) or (used before a vowel or vowel sound, eg an egg, an hour) an indefinite article 1 used chiefly with a singular noun, usually where the thing referred to has not been mentioned before, or where it is not a specific example known to the speaker or listener. Compare the. 2 used before a word describing quantity • a dozen eggs. 3 a any or every • A fire is hot; b used after not or never: any at all • not a chance. 4 each or every; per • once a day. 5 one of a specified type • He thinks he's a real Romeo.
ETYMOLOGY: Anglo-Saxon an one.

a² abbreviation 1 acceleration. 2 acre or acres. 3 adjective. 4 are or ares. 5 area. 6 ante (Latin), before.

a', aw or a adj alternative Scots spellings of all.

a-¹ prefix, signifying 1 to or towards • ashore. 2 in the process or state of something • abuzz • a-roving. 3 on • afire. 4 in • asleep.
ETYMOLOGY: Anglo-Saxon an, originally a preposition; sense 2 is still productive.

a-² or (before a vowel, and in scientific compounds before h) an- prefix, signifying not; without; opposite to • amoral • ahistorical • anaemia • anhydrous.
ETYMOLOGY: Greek.

Å symbol Ångström or angstrom.