Noun
- 1. soman, GD, organophosphate nerve agent
- usage: a nerve agent easily absorbed into the body; a lethal cholinesterase inhibitor that is highly toxic when inhaled
- 2. gadolinium, Gd, atomic number 64, metallic element, metal
- usage: a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group
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