Se

1. (noun) a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable gray metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
Synonyms: atomic number 34, selenium
Related Words: chemical element, element

2. (noun) the compass point midway between south and east; at 135 degrees
Synonyms: sou'-east, southeast
Related Words: compass point, point



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