Main Entry:

ar·gon

Pronunciation:

\ˈär-ˌgän\

Function:

noun

Etymology:

Greek, neuter of argos idle, lazy, from a- + ergon work; from its relative inertness — more at work

Date:

1894

: a colorless odorless inert gaseous element found in the air and in volcanic gases and used especially in welding, lasers, and electric bulbs — see element table