Transcription
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- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
-
- [hee-lee-uh m]
- /ˈhi li əm/
- /ˈhiː.li.əm/
-
- US Pronunciation
- US IPA
-
- [hee-lee-uh m]
- /ˈhi li əm/
Definitions of helium word
- noun helium liquid helium existing as a superfluid below the lambda point of 2.186 K, having very low viscosity and very high thermal conductivity. 1
- noun helium The chemical element of atomic number 2, an inert gas that is the lightest member of the noble gas series. 1
- noun helium inert gas 1
- uncountable noun helium Helium is a very light gas that is colourless and has no smell. 0
- noun helium a very light nonflammable colourless odourless element that is an inert gas, occurring in certain natural gases: used in balloons and in cryogenic research. Symbol: He; atomic no: 2; atomic wt: 4.002602; density: 0.1785 kg/m3; at normal pressures it is liquid down to absolute zero; melting pt: below –272.2°C; boiling pt: –268.90°C 0
- noun helium a colorless, odorless chemical element, one of the noble gases, having the lowest known boiling and melting points: it is used in low-temperature work, as a diluent for oxygen, in deep-sea breathing systems, for inflating balloons, etc.: symbol, He; at. no., 2 0
Information block about the term
Origin of helium
First appearance:
before 1875 One of the 25% newest English words
1875-80; < New Latin < Greek hḗli(os) the sun + New Latin -ium -ium
Historical Comparancy
Parts of speech for Helium
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
helium popularity
A common word. It’s meaning is known to most children of preschool age. About 93% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".
helium usage trend in Literature
This diagram is provided by Google Ngram ViewerTop questions with helium
- how many valence electrons does helium have?
- where does helium come from?
- how long do helium balloons last?
- who discovered helium?
- what is helium?
- what is helium used for?
- when was helium discovered?
- how many protons does helium have?
- how do you make helium?
- how many neutrons does helium have?
- what group is helium in?
- how to make helium?
- what is the partial pressure of the helium gas?
- how many neutrons are in helium?
- how many electrons does helium have?
See also
Matching words
- Words starting with h
- Words starting with he
- Words starting with hel
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- Words starting with helium