A part approximately equal to one of these How to use half in a sentence. Either of the two equal or nearly equal parts that together make up a whole One of two equal or approximately equal parts of a divisible whole, as an object, or unit of measure or time A part of a whole equal or almost equal to the remainder. See examples of half used in a sentence.
One of two equal parts of something To divide something into two equal parts Here's why they are lowered. To the extent of exactly or nearly 50 percent The tank is half empty
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