nitrogen-n; 1 Senses

Sense Number 1: a non-reactive gas, atomic number 7

Commentary: NITROGEN[+substance][+element][+gas][-reactive][-color][+atomic_number_7]

Nitrogen makes up about 78 percent of the earth's atmosphere.
Scuba divers can get the bends if nitrogen forms bubbles in their bodies from ascending through the water too rapidly.

WordNet 3.0 Sense Numbers: 1