Look up active in Wiktionary, the free dictionary.

Active may refer to:

Music

• Active (album), a 1992 album by Casiopea
• Active Records, a record label

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

• Active Enterprises, a defunct video game developer
• Sky Active, the brand name for interactive features on Sky Digital available in the UK and Ireland
• Active (software), software used for open publishing by Indymedia; see Independent Media Center

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

• Active, Alabama, a community in the US
• Active, the original name of the early steam locomotive Locomotion No. 1
• "Actives", current members of fraternities and sororities
• Active living, a lifestyle characterized by frequent or various activities

See also

• Activity (disambiguation)
• Passive (disambiguation)
• All pages with titles beginning with Active