Chronic mercury poisoning.

(comparable) Having a lively or volatile character; animated, changeable, quick-witted.

A silvery-colored, toxic, metallic chemical element, liquid at room temperature, with atomic number 80 and symbol Hg.

(obsolete) Any of the plants known as mercury, especially the annual mercury or French mercury (Mercurialis annua).

plural of mercuriation

(chemistry) Any reaction that introduces a covalent mercury bond into a compound

A newsboy, a messenger. / A footman. / Someone who carries messages between lovers; a go-between. / A newspaper.

(astronomy) The planet in the solar system with the closest orbit to the Sun, named after the god; represented by ☿.

plural of mercurial

(very rare) The quality of being mercurious.