helium
Valid in Scrabble
- Scrabble points
- 11
- Words With Friends
- 13
- Letters
- 6
Definition of helium
2 senses · 1 part of speech · etymology included
noun
-
(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.
“It was an enormous balloon filled with helium, that elemental gas forged from hydrogen in the nuclear furnace of the stars.”
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noun
-
(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.
“It was an enormous balloon filled with helium, that elemental gas forged from hydrogen in the nuclear furnace of the stars.”
- (countable)A form or sample of the element.
Definitions from Wiktionary, CC BY-SA.
Etymology
From New Latin helium, from Ancient Greek ἥλιος (hḗlios, “sun”) (because its presence was first theorised in the Sun's atmosphere) with the suffix + -ium. Probably coined by Norman Lockyer. This suffix is unusual, because it is usually used only for metallic elements. It is likely that Lockyer, being an astronomer, was unaware of the usual chemical conventions.
Words you can make from helium
36 playable · top: HILUM (10 pts)
Best play hilum 10 points5-letter words
2 words4-letter words
7 words3-letter words
14 words2-letter words
12 wordsHooks
1 extension · 1 back
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