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active in Wiktionary, the free dictionary.
Active may refer to:
Music
Ships
Active (ship) , several commercial ships by that name
HMS Active , the name of various ships of the British Royal Navy
USCS Active , a US Coast Survey ship in commission from 1852 to 1861
USCGC Active , the name of various ships of the US Coast Guard
USRC Active , the name of various ships of the US Revenue Cutter Service
USS Active , the name of various ships of the US Navy
Computers and electronics
Sciences
Thermodynamic activity , measure of an effective concentration of a species in a mixture.
Activation , in chemistry the process whereby something is prepared for a subsequent reaction
Active (pharmacology) , the fraction of a dose of unchanged drug that reaches systemic circulation
Other
See also
Topics referred to by the same term