HYDRARGYRUM

mercury, quicksilver, hydrargyrum, Hg, atomic number

(noun) a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures

Source: WordNet® 3.1

Etymology

Noun

hydrargyrum (uncountable)

(chemistry and medicine) mercury (chemical element)

Synonyms

• (mercury): azoth (alchemy), mercury (standard term), quicksilver (dated or evocative)

Source: Wiktionary

Hy*drar"gy*rum, n. Etym: [NL., fr. L. hydrargyrus, Gr. (Chem.)

Definition: Quicksilver; mercury.

Source: Webster’s Unabridged Dictionary 1913 Edition