One half indicates the presence of one part out of a possible two.
One half of a sphere.
By definition, 50%. Half life is the time for half of the original sample to decay.
a half of a full moon
One-half of the original amount. That's precisely the definition of "half-life".
No. She is one quarter Spanish, one quarter Lebanese and half Mexican. She is by definition a mestizo girl and one of the many Arab-Mexicans that can be found in Mexico. See related questions.
half duplex channel
More than half, meaning there are more choosing one thing than the other.
said hem-iss-feer noun one half of the earth or of a sphere
Half a year
No. Because by definition, a half cannot be longer or shorter - if it is then it is not a half.
A kilowatt by definition is the equivalent of "1,000 watts for one hour". It is the way the electric company measures power usage. One "half kilowatt": Imagine you have five 100W light bulbs burning in various places in your house. After one hour, you have used one-half kilowatt of electricity.
There 8 ounces in a half pound of any material other than precious metals (which use a different definition of pound)