ATOMIC NUMBER 34

 Dictionary entry overview: What does atomic number 34 mean? 

• ATOMIC NUMBER 34 (noun)
  The noun ATOMIC NUMBER 34 has 1 sense:

1. 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)

  Familiarity information: ATOMIC NUMBER 34 used as a noun is very rare.

 Dictionary entry details 

• ATOMIC NUMBER 34 (noun)

Sense 1

Meaning:

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)

Classified under:

Nouns denoting substances

Synonyms:

atomic number 34; Se; selenium

Hypernyms ("atomic number 34" is a kind of...):

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)

Holonyms ("atomic number 34" is a substance of...):

fool's gold; iron pyrite; pyrite (a common mineral (iron disulfide) that has a pale yellow color)