se

Noun

• the compass point midway between south and east; at 135 degrees

• 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)

Related words

• Synonyms: 
  southeast , sou'-east , southeastward , SE , selenium , Se , atomic number 34