English noun: GD | |||
1. | GD (substance) a nerve agent easily absorbed into the body; a lethal cholinesterase inhibitor that is highly toxic when inhaled | ||
Synonyms | soman | ||
Broader (hypernym) | organophosphate nerve agent | ||
2. | Gd (substance) a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group | ||
Synonyms | atomic number 64, gadolinium | ||
Broader (hypernym) | metal, metallic element | ||
Substance meronym | gadolinite, samarskite, ytterbite | ||