cobalt

noun co·balt \ˈkō-ˌbȯlt\

: a hard, shiny, silver-white metal that is often mixed with other metals

Full Definition of COBALT

: a tough lustrous silver-white magnetic metallic element that is related to and occurs with iron and nickel and is used especially in alloys — see element table

: cobalt blue 2

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Origin of COBALT

German Kobalt, alteration of Kobold, literally, goblin, from Middle High German kobolt; from its occurrence in silver ore, believed to be due to goblins

First Known Use: 1683

Rhymes with COBALT

asphalt, assault, basalt, Chennault, cross vault, default, desalt, exalt, fan vault, foot fault, gestalt, no-fault, pole vault, rock salt, Schwarzwald, stringhalt

COBALT Defined for Kids

cobalt

noun co·balt \ˈkō-ˌbȯlt\

Definition of COBALT for Kids

: a tough shiny silvery white metallic chemical element found with iron and nickel

Medical Dictionary

cobalt

noun co·balt \ˈkō-ˌbȯlt\

Medical Definition of COBALT

: a tough lustrous silver-white magnetic metallic element that is related to and occurs with iron and nickel and is used especially in alloys—symbol Co; see element table