| half sibling |
A half brother or sister.
출처:
|
|---|---|
| half vision |
Hemianopia.
출처:
|
| half-value thickness |
The thickness of a substance that, when placed in the path of a given beam of radiation, will lower its intensity to one half of the initial value.
출처:
|
| half-life |
The period of time it takes for half the nuclei of a radioactive element to undergo decay to another nuclear form.
출처: www.nuenergy.org/alt/glossary.htm
|
| half-life |
The time required for radioactive material to lose 50% of its activity by radioactive decay.
출처: www.westchestergov.com/discemergplan/glossaryofter...
|
| half | lacking mental capacity and devoid of subtlety |
|---|---|
| half | every half year, every six months |
| half | the position of a back on a football team |
| half | (football) the running back who plays the offensive halfback position |
| half | tropical and subtropical marine and freshwater fishes having an elongated body and long protruding lower jaw |
| half | feeling or showing little interest or enthusiasm |
| half | an English coin worth half a penny |
| half | the amount that can be bought for a halfpenny |
| half | an intermission between the first and second half of a game |
| half | an engraving used to reproduce an illustration |
| half | a print obtained from photoengraving |
| half | an engraving used to reproduce an illustration |