Ac

AC

abbr.1. adult contemporary (radio format)2. or a/c air conditioning3. air-cool4. alternating current5. area code

Ac¹

The symbol for actinium.

Ac²

abbr. Bible Acts of the Apostles

ac

the internet domain name for (Computer Science) Ascension Island

Ac

the chemical symbol for (Chemistry) actinium

AC

abbreviation for 1. (Electrical Engineering) alternating current. Compare DC 2. ante Christum 3. (Military) Air Corps 4. (Athletics (Track & Field)) athletic club 5. Companion of the Order of Australia 6. (Brewing) appellation d'origine contrôlée: the highest French wine classification; indicates that the wine meets strict requirements concerning area of production, strength, etc. See VDQS, vin de pays, vin de table 7. (Government, Politics & Diplomacy) Aelodau'r Cynulliad: Member of the Assembly (that is, the National Assembly of Wales) [(for sense 3) Latin: before Christ]

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]

Ac

The symbol for actinium.

AC

Abbreviation of alternating current

Thesaurus

Noun

Ac - a radioactive element of the actinide series; found in uranium oresactinium, atomic number 89chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matteruranium ore - any ore from which uranium can be extracted

AC - an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"alternating current, alternating electric currentelectrical energy, electricity - energy made available by the flow of electric charge through a conductor; "they built a car that runs on electricity"

Ac,

symbol for the element actiniumactinium
[Gr.,=like a ray], radioactive chemical element; symbol Ac; at. no. 89; mass number of most stable isotope 227; m.p. about 1,050&degC;; b.p. 3,200&degC;±300&degC;; sp. gr. 10.07; valence +3. Actinium is a silver-white metal with a cubic crystalline structure.
..... Click the link for more information. .

AC:

see alternating currentalternating current,
abbr. AC, a flow of electric charge that undergoes periodic reverses in direction. In North America ordinary household current alternates at a frequency of 60 times per second. See electricity; generator.
..... Click the link for more information. .

ac

(electricity) alternating current

aC

(electricity) abcoulomb

Ac

(chemistry) actinium (meteorology) altocumulus cloud

AC

1. On drawings, abbr. for alternating current. 2. On drawings, abbr. for armored cable. 3. Abbr. for air conditioning. 4. Abbr. for “asbestos cement.”

alternating current

An electric current that varies periodically in value and direction, first flowing in one direction in the circuit and then flowing in the opposite direction; each complete repetition is called a cycle, and the number of repetitions per second is called the frequency; usually expressed in Hertz (Hz).

AC

(1) The latest Wi-Fi version. See 802.11ac.

(2) (Alternating Current) The common form of electricity from power plant to home and office. Its direction is reversed 60 times per second in the U.S.; 50 times in Europe. Contrast with DC.