Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun atomic_number_7
1 sense of atomic number 7
Sense 1
nitrogen, N, atomic number 7 -- (a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues)
=> 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)
=> gas -- (a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely)