Assertion: argon | /r/SimilarTo | inactive
Facets:
Source sentences:
text: The name argon is derived from the Greek word “argos,” meaning inactive.
text: Argon (Greek, argos meaning "inactive") was suspected to be present in air by Henry Cavendish in 1785 but was not discovered until 1894 by Lord Rayleigh and Sir William Ramsay in an experiment in which they removed all of the oxygen and nitrogen from the air.