Coelenterata :: Coelenterata (n. pl.) A comprehensive group of Invertebrata, mostly marine, comprising the Anthozoa, Hydrozoa, and Ctenophora. The name implies that the stomach and body cavities are one. The group is sometimes enlarged so as to include the sponges..
Geoselenic :: Geoselenic (a.) Pertaining to the earth and moon; belonging to the joint action or mutual relations of the earth and moon; as, geoselenic phenomena..
Helena :: Helena (n.) See St. Elmo's fire, under Saint..
Helenin :: Helenin (n.) A neutral organic substance found in the root of the elecampane (Inula helenium), and extracted as a white crystalline or oily material, with a slightly bitter taste..
Melene :: Melene (n.) An unsaturated hydrocarbon, C30H60, of the ethylene series, obtained from beeswax as a white, scaly, crystalline wax; -- called also melissene, and melissylene..
Melenite :: Melenite (n.) An explosive of great destructive power; -- so called from its color, which resembles honey..