A 1 noun Quick reference
New Oxford American Dictionary (3 ed.)
▶
noun
(
As or A's
)
1
.
A
A's
As
a
as
first letter of alphabet
letter of alphabet
■
denoting the first in a set of items, categories, sizes, etc.
A
denoting first in set of items, categories, sizes
item
■
:
suppose A had killed B
.
denoting first of two or more hypothetical people or things
item
■
.
highest class of academic mark
score
Education
■
(
a
)
Chess
.
a
denoting first file from left, as viewed from white's side of board
...
A 2 abbreviation Quick reference
New Oxford American Dictionary (3 ed.)
▶
abbreviation
1
:
you cash AK of hearts
.
ace
card game
Cards
2
.
ampere(s)
energy unit
3
(
Å
)
.
ångstrom(s)
linear unit
4
:
Q: What's the senator's zodiac sign? A: He's a Leo
.
answer
A
reply
5
.
Asian
Asian
6
informal
.
level
Education
A
qualification
...
a determiner Quick reference
New Oxford American Dictionary (3 ed.)
▶
determiner
1
:
a man came out of the room
|
it has been an honor to have you
|
we need people with a knowledge of languages
.
a
an
used when referring to person or thing for first time in text or conversation
■
:
a hundred
|
a quarter of an hour
.
used with units of measurement to mean one such unit
■
[ with negative
]
:
I simply haven't a
...
-a 1 suffix Quick reference
New Oxford American Dictionary (3 ed.)
▶
suffix
forming:
forming
1
:
primula
.
ancient or Latinized modern names of animals and plants
-a
2
:
baryta
.
names of oxides
Chemistry
3
:
Africa
.
geographical names
4
:
Lydia
.
ancient or Latinized modern feminine forenames
5
:
duenna
|
stanza
.
nouns from Italian and Spanish
– origin representing a Greek, Latin, or Romance feminine singular.
...
-a 2 suffix Quick reference
New Oxford American Dictionary (3 ed.)
▶
suffix
forming plural nouns:
forming plural nouns
1
-um or -on (such as addenda, phenomena).
from Greek or Latin neuter plurals corresponding to singular
-a
2
:
Protista
|
Insectivora
.
in names often from modern Latin of zoological groups
Zoology
-a 3 suffix Quick reference
New Oxford American Dictionary (3 ed.)
▶
suffix
informal
1
:
coupla
.
of
-a
2
:
mighta
.
have
3
:
oughta
.
to
– origin representing a casual pronunciation.
