【建】 chlorination in sunlight
daylight; light; sun; sunlight
【医】 helio-; sun light; sunlight
below; descend; down; give birth to; give in; go to; leave off; lower; next
take
【医】 cata-; hyp-; infra-; kat-; sub-
chloridize; chlorination
【化】 chloration; chlorination
【医】 chlorination