1. The time taken for the radioactivity of a specified isotope to fall to half its original value. the time required for any specified property (e.g. the concentration of a substance in the body) to decrease by half.
2. One of the best video games you could ever play along with Portal.
Scenario1: "Iodine-131 has a Half-life of 8.1 days"
Scenario2: I love Half-life, the story and gameplay is just mind blowing!
Finally I have half life gordon freeman x gman is real
Gordon: THE HALF LIFE IS REALLL
alyx: gordon please you've been saying that for 4 hours
Best fictional masterpiece of all time
"Half life is the best fictional masterpiece of all time"
A fat wringer ready to be cranked.
You think you can crank this half pound
A sex position in which the female, or bottom, is in a back bend position, while the man, or top, is on arial silks with and erect penis. He then swoops back and forth as he inserts his dick in the vagina or anus til climax.
The half moon swoop should never be attempted!