ac
Electricity.
alternating current.
Words nearby ac
abyssinian well,
abyssopelagic,
abyssopelagic zone,
abzug,
abélard,
ac,
ac and u,
ac-,
ac/dc,
aca,
acaa
Definition for ac (2 of 11)
Definition for ac (3 of 11)
Definition for ac (4 of 11)
AC
Real Estate.
air conditioning.
Electricity.
alternating current.
Definition for ac (5 of 11)
Definition for ac (6 of 11)
Origin of -ac
< Latin
-acus < Greek
-akos
Definition for ac (7 of 11)
a.c.
1
(in prescriptions) before meals.
Origin of a.c.
1
From the Latin word
ante cibum
Definition for ac (8 of 11)
a.c.
2
Real Estate.
air conditioning.
Electricity.
alternating current.
Definition for ac (9 of 11)
A.C.
1
before Christ.
Origin of A.C.
1
From the Latin word
ante Christum
Definition for ac (10 of 11)
A.C.
2
Real Estate.
air conditioning.
Electricity.
alternating current.
Army Corps.
Athletic Club.
Definition for ac (11 of 11)
Example sentences from the Web for ac
British Dictionary definitions for ac (1 of 6)
ac
the internet domain name for
Ascension Island
British Dictionary definitions for ac (2 of 6)
Ac
the chemical symbol for
actinium
British Dictionary definitions for ac (3 of 6)
AC
abbreviation for
Word Origin for AC
(for sense 2) Latin: before Christ
British Dictionary definitions for ac (4 of 6)
a/c
/ accounting /
abbreviation for
account
account current
British Dictionary definitions for ac (5 of 6)
A/C
abbreviation for
(in Canada)
Air Commodore
British Dictionary definitions for ac (6 of 6)
a.c.
/ obsolete /
abbreviation for
(in prescriptions) ante cibum
Word Origin for a.c.
Latin: before meals
Medical definitions for ac (1 of 3)
ac
abbr.
ante cibum (before a meal)
Medical definitions for ac (2 of 3)
Ac
The symbol for the elementactinium
Medical definitions for ac (3 of 3)
ac-
pref.
Variant ofad-
Scientific definitions for ac (1 of 3)
Ac
The symbol for actinium.
Scientific definitions for ac (2 of 3)
AC
Abbreviation of alternating current
Scientific definitions for ac (3 of 3)
actinium
[ ăk-tĭn′ē-əm ]
Ac
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.