HELIUM

helium, He, atomic number

(noun) a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)

Source: WordNet® 3.1


Etymology

Noun

helium (countable and uncountable, plural heliums)

(uncountable) The second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas.

(countable) A form or sample of the element.

Synonyms

• E939 when used as a packaging gas

Source: Wiktionary


He"li*um, n. Etym: [NL., fr. Gr. (Chem.)

Definition: A gaseous element found in the atmospheres of the sun and earth and in some rare minerals.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

23 January 2025

LEFT

(adjective) being or located on or directed toward the side of the body to the west when facing north; “my left hand”; “left center field”; “the left bank of a river is bank on your left side when you are facing downstream”


coffee icon

Coffee Trivia

“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States

coffee icon