nnoun.substancea 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)Synset:Se atomic number 34 selenium
Substance Holonyms:fool's gold iron pyrite pyrite
Hypernyms:antioxidant chemical element element
Inherited Hypernyms:seleniumantioxidantinhibitorsubstancematterphysical entityentity
Inherited Hypernyms:seleniumchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:seleniumchemical elementsubstancepartrelationabstractionentity
nnoun.relationthe compass point midway between south and east; at 135 degreesSynset:SE sou'-east southeast southeastward
Hypernyms:compass point point
Inherited Hypernyms:southeastcompass pointdirectionpositionrelationabstractionentity