Bible Dictionaries
Cobalt

Webster's Dictionary

(1):

(n.) A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co.

(2):

(n.) A commercial name of a crude arsenic used as fly poison.

Bibliography Information
Webster, Noah. Entry for 'Cobalt'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/cobalt.html. 1828.