Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun atomic_number_34

1 sense of atomic number 34

Sense 1
selenium, Se, atomic number 34 -- (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))
       => chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
       => antioxidant -- (substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides)