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Definition of Se
1. Noun. 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).
Exact synonyms: Atomic Number 34, Selenium
Generic synonyms: Chemical Element, Element, Antioxidant
Substance meronyms: Fool's Gold, Iron Pyrite, Pyrite
Generic synonyms: Chemical Element, Element, Antioxidant
Substance meronyms: Fool's Gold, Iron Pyrite, Pyrite
2. Noun. The compass point midway between south and east; at 135 degrees.
Medical Definition of Se
1. Symbol for selenium. (05 Mar 2000)
Lexicographical Neighbors of Se
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