argon

About 1.77 uses per million words.

Meaning

1. noun The chemical element (symbol Ar) with an atomic number of 18. The third most abundant gas in the Earth's atmosphere, it is a colourless, odourless, inert noble gas.
2. noun An atom of this element.

Similar words

ar radiogenic photocoagulation trabeculoplasty argonne arjun argun rare gas noble gas inert gas

Often followed by

laser and gas ion is atmosphere or at in

Word family

argons