Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun atomic_number_31
1 sense of atomic number 31
Sense 1
gallium, Ga, atomic number 31 -- (a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores)
=> metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)