Sentence:  A recent newspaper report said there were five Negroes in the 1960 graduating class of nearly one thousand at Yale ; that is , about <WSD>one-half</WSD> of one per cent , which looks pretty `` tokenish '' to me , especially in an institution which professes to be `` national '' . 
Meaning of the word marked with <WSD> tags:  one of two equal parts of a divisible whole