【电】 white roon
clear; free of charge; in vain; pure; white; whiteness
【化】 leuco-; leuko-
【医】 albo-; leuco-; leuk-; leuko-
chamber; loculus; room; thalamus; ventricle
【医】 camera; camerae; cell; chamber; room; thalamo-; ventricle; ventriculo-
ventriculus