Definition of mercury noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈmɜːkjəri//
; NAmE NAmE//ˈmɜːrkjəri//
[uncountable] (symbol Hg)
jump to other results
a chemical element. Mercury is a poisonous silver liquid metal, used in thermometers. Studies show very high levels of mercury in local dolphins. Word OriginMiddle English: from Latin Mercurius, from merx, merc- ‘merchandise’. Mercury is the Roman god of eloquence, skill, trading and thieving, as well as being herald and messenger of the gods.
See the Oxford Advanced American Dictionary entry: mercury