'atomic number 34' definitions:

Definition of 'atomic number 34'

From: WordNet
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) [syn: selenium, Se, atomic number 34]