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



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Word of the Day

2 April 2025

COVERT

(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”


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Coffee Trivia

According to Guinness World Records, the largest collection of coffee pots belongs to Robert Dahl (Germany) and consists of 27,390 coffee pots as of 2 November 2012, in Rövershagen, Germany.

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