dimidium
dimidium (di-mid-ee-[schwa]m), n. [Latin “half”] Hist. 1. Half; a half — as in dimidium unius libratae (“half a pound”). 2. An undivided half of something.
dimidium (di-mid-ee-[schwa]m), n. [Latin “half”] Hist. 1. Half; a half — as in dimidium unius libratae (“half a pound”). 2. An undivided half of something.