selenium (3) | (noun) - moon + ium = a nonmetallic element similar to sulfur and tellurium, obtained in the copper refining process, and is used as a semiconductor and in photocells. |
selenium cell (3) | (noun) - moon + ium + cell = a photocell made of an insulated strip of selenium connected by electrodes. |
selenide (5) | (noun) - moon + chemical compound = a chemical compound containing selenium. |
seleniferous (5) | (adj.) - moon + containing = something which contains or yields selenium. |
selenocentric (3) | (adj.) - moon + center = a system with the moon as the center; relating to the center of the moon. |
selenology (3) | (noun) - moon + speak = the branch of astronomy which deals with the moon. Selenological is the adjective form and selenologist is the noun form for a person who studies this. |