Web Results
[haf-lahyf, hahf-]
Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
Pharmacology. the time required for the activity of a substance taken into the body to lose one half its initial effectiveness.
Informal. a brief period during which something flourishes before dying out.
Source: Dictionary.com
half life | Define half life at Dictionary.com
dictionary.reference.com/browse/half life
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Half-Life (video game) - Wikipedia


Half-Life (stylized as HλLF-LIFE) is a science fiction first-person shooter video game developed by Valve, released in 1998 by Sierra Studios for Microsoft ...

Half-Life 2


Official site. Includes screenshots, trailers, and a game overview.

Half-Life on Steam


Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly ...

Half-Life | Half-Life Wiki | Fandom powered by Wikia


Half-Life, stylized as HλLF-LIFE, is a science fiction first-person shooter developed and published by Valve. The player takes the perspective of scientist Gordon ...

Half-Life Wiki | Fandom powered by Wikia


Half-Life Wiki is a comprehensive wiki encyclopedia focusing on the Half-Life / Portal universe and its related subjects. Its main purpose is to collect all the ...

Half-Life 2 - Valve


The original Half-Life sent a shock through the game industry with its combination of pounding action and continuous, immersive storytelling. Valve's debut title ...

www.ask.com/youtube?q=Half Life&v=JoV9o6b91Sc
Mar 5, 2012 ... An improved version of this Walkthrough can be found here: ▻▻http://youtu.be/ yTY85Per-8U Please LIKE, SUBSCRIBE & SHARE ...

Half-Life SubReddit


Welcome to /r/HalfLife, a place to share pretty much everything from Valve's ... Mike & Pete's Fun Half Life Sound Pack is a Total Replacement of the Voices in ...