The meaning of HALF is either of two equal parts that compose something; also : a part approximately equal to one of these. How to use half in a sentence.
When something is divided into two equal sections, half is one of the two parts. You can split a brownie in half if you want to share it with your friend.
Idioms in half, into two almost equal parts: The vase broke in half. Idioms not (the) half of it, a significant yet relatively minor part of something that remains to be described in full: It's a shocking story, but you don't know the half of it.
One half Look up one half in Wiktionary, the free dictionary. ... One half is the multiplicative inverse of 2. It is an irreducible fraction with a numerator of 1 and a denominator of 2. It often appears in mathematical equations, recipes and measurements.
HALF definition: 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.