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.
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!
Scenario2: I love Half-life, the story and gameplay is just mind blowing!
by Zach T. Radass December 19, 2022

by Enderdragon2032//4_7D September 21, 2022

I am HALF-FUL that the weather will improve. But certainly not depending upon it more than 50-50 chance.
by Major Thomas Randle September 20, 2018

by jkcasey December 1, 2019

Unlike the word "Ballz," the term Ballz and a half is both a derogetory and complementary interjection. It is used derogetorally to put more of an emphasis on a situations severity. In a good situation it is used as an expression of joy or excitment
If you were to spill you Dr. Pepper one would scream "Ballz and a half."
However if one were to comletely blow away some guy in a race, one would also sream this.
However if one were to comletely blow away some guy in a race, one would also sream this.
by Nick Weiss March 27, 2003

The E: you've talked for 20 minutes and you've only gotten through two of your ten points. How much longer are you going to take?
The D: Well, to cut a rabbit in half and call it dinner, the gist of the story is that I had duck for lunch today.
The D: Well, to cut a rabbit in half and call it dinner, the gist of the story is that I had duck for lunch today.
by DeBen October 22, 2013

Half-sibling's great-grandson.
My half-great-grandnephew is a good person.
by Gtopql November 23, 2019
