Not methodological.

Alternative form of zenithward

(uncountable) The fire of Hell. / (uncountable) Fire produced by the Devil, or a similar supernatural creature connected to Hell. / (countable) A fire that burns with unusual heat or ferocity.

(biochemistry) Any bromo derivative of uridine, but especially 5-bromouridine, whose triphosphate is used to immunocytochemically label newly synthesized RNA in living cells