one-half

English Thesaurus

1. one of two equal parts of a divisible whole (noun.quantity)

hypernym	:	common fraction, simple fraction,
definition	:	the quotient of two integers (noun.quantity)

hyponym	:	fifty percent,
definition	:	a half expressed as a percentage (noun.quantity)

hyponym	:	mediety, moiety,
definition	:	one of two (approximately) equal parts (noun.quantity)