Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun gd

2 senses of gd

Sense 1
soman, GD -- (a nerve agent easily absorbed into the body; a lethal cholinesterase inhibitor that is highly toxic when inhaled)
       => organophosphate nerve agent -- (any of a series of nerve agents containing organophosphate compounds first synthesized by German chemists in 1936; in World War II the Germans tested them in concentration camps but not on the battlefield; Iraq is alleged to have used them against Iran and against the Kurds)

Sense 2
gadolinium, Gd, atomic number 64 -- (a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group)
       => 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.)