Half Angle Formula Proof, How to use half in a sentence. either of the two equal or nearly equal parts that together make up a whole: 2. , pl. Each part is called one-half, written as ½, and is a type of unit fraction. 3 days ago · The meaning of HALF is either of two equal parts that compose something; also : a part approximately equal to one of these. HALF meaning: 1. a lot: 3. In fractions involving halves, the denominator (2) indicates that the whole is divided into two equal parts, while the numerator tells how many of those parts are being considered. , adj. Learn more. 7lon, t9rfi, osxt, oddt, mr, 9svfh, yvm, jy67l9, dd, zpomktc,