A2
one of two equal parts of something
Dictionary examples:
I only did half my homework. The dog ate the other half. (0.0)
I ate half the cake and blamed the other half on my dog. (0.0)
I read half the book. The other half put me to sleep. (0.0)
Jenny lived in Beijing for a year and a half. (16.6)
It'll take half an hour/a half hour to get there. (16.6)
He cut up the apple and gave me half. (18.1)
Rice is eaten by half of the world's population. (24.4)