ac


ac

  1. Electricity. alternating current.

Chemistry.

  1. acetate.
  2. acetyl.

Symbol, Chemistry.

  1. actinium.

  1. Real Estate. air conditioning.
  2. Electricity. alternating current.

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

  1. variant of -ic after Greek noun stems ending in i: cardiac; maniac.

  1. (in prescriptions) before meals.

  1. Real Estate. air conditioning.
  2. Electricity. alternating current.

  1. before Christ.

  1. Real Estate. air conditioning.
  2. Electricity. alternating current.
  3. Army Corps.
  4. Athletic Club.

  1. Bookkeeping.
    1. account.
    2. account current.
  2. Real Estate. air conditioning.

the internet domain name for

  1. Ascension Island

the chemical symbol for

  1. actinium

abbreviation for

  1. alternating currentCompare DC
  2. ante Christum
  3. Air Corps
  4. athletic club
  5. Companion of the Order of Australia
  6. appellation d’origine contrôlée: the highest French wine classification; indicates that the wine meets strict requirements concerning area of production, strength, etcSee VDQS, vin de pays, vin de table
  7. Aelodau’r Cynulliad: Member of the Assembly (that is, the National Assembly of Wales)

abbreviation for

  1. account
  2. account current

abbreviation for

  1. (in Canada) Air Commodore

abbreviation for

  1. (in prescriptions) ante cibum

abbreviation of air conditioning, by 1966.

abbr.

  1. ante cibum (before a meal)

  1. The symbol for the elementactinium

pref.

  1. Variant ofad-

  1. The symbol for actinium.

  1. Abbreviation of alternating current

Ac

  1. A silvery-white, highly radioactive metallic element of the actinide series that is found in uranium ores. It is about 150 times more radioactive than radium and is used as a source of alpha rays and neutrons. Its most stable isotope has a half-life of about 22 years. Atomic number 89; melting point 1,050°C (1,922°F); boiling point (estimated) 3,200°C (5,792°F); specific gravity (calculated) 10.07; valence 3. See Periodic Table.

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