se Meaning, Definition & Usage

  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)
    selenium; atomic number 34.
  2. noun the compass point midway between south and east; at 135 degrees
    southeast; southeastward; sou'-east.

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