-ac


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-ac

suff.
Used to form adjectives from nouns: ammoniac.

[New Latin -acus, from Greek -akos.]

AC or A.C.

1. air conditioning.
2. Also, ac, a.c., alternating current.
3. before Christ.
[< Latin ante Christum]

Ac

1. acetate.
2. acetyl.

Ac


Chem. Symbol.
actinium.

ac-

var. of ad- before c and qu: accede; acquire.

-ac

var. of -ic after Greek noun stems ending in i: cardiac; maniac.
[< Latin -acus < Greek -akos]

A/C

or a/c,

1. account.
2. account current.
3. air conditioning.

a.c.

(in prescriptions) before meals.
[< Latin ante cibum]