English noun: atomic number 34 | |||
1. | atomic number 34 (substance) a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite) | ||
Synonyms | Se, selenium | ||
Broader (hypernym) | antioxidant, chemical element, element | ||
Substance meronym | fool's gold, iron pyrite, pyrite | ||