We found 45 dictionaries that define the word
helium:
General (26 matching dictionaries)
- helium: Merriam-Webster
- helium: Oxford Learner's Dictionaries
- helium: American Heritage Dictionary of the English Language
- helium: Collins English Dictionary
- helium: Vocabulary.com
- Helium, helium: Wordnik
- helium: Cambridge Advanced Learner's Dictionary
- helium: Wiktionary
- helium: Webster's New World College Dictionary, 4th Ed.
- helium: The Wordsmyth English Dictionary-Thesaurus
- helium: Infoplease Dictionary
- helium: Dictionary.com
- helium: Online Etymology Dictionary
- helium: Cambridge Essential American English Dictionary
- Helium (Homeshake album), Helium (Pram album), Helium (Sia song), Helium (band), Helium (disambiguation), Helium (film), Helium: Wikipedia, the Free Encyclopedia
- Helium: Online Plain Text English Dictionary
- helium: Webster's Revised Unabridged, 1913 Edition
- helium: Rhymezone
- Helium: AllWords.com Multi-Lingual Dictionary
- helium: FreeDictionary.org
- helium: Mnemonic Dictionary
- helium: TheFreeDictionary.com
- helium: Wikimedia Commons US English Pronunciations
- helium: Longman Dictionary of Contemporary English
Art (2 matching dictionaries)
- helium: ArtLex Lexicon of Visual Art Terminology
- An Etymological Dictionary of Classical Mythology (No longer online)
Computing (1 matching dictionary)
- helium: Encyclopedia
Medicine (5 matching dictionaries)
- helium: Merriam-Webster Medical Dictionary
- Dorland's Illustrated Medical Dictionary (No longer online)
- Medical Dictionary (No longer online)
- online medical dictionary (No longer online)
- helium: Medical dictionary
Science (6 matching dictionaries)
- Helium: Eric Weisstein's World of Physics
- Imagine the Universe! Dictionary (No longer online)
- Helium: Extragalactic Astronomy
- General Chemistry Online (No longer online)
- Helium, helium: WebElements Periodic Table of the Elements
- HELIUM: Zoom Astronomy Glossary
Slang (1 matching dictionary)
- helium: Urban Dictionary
Tech (4 matching dictionaries)
- High-Energy Astrophysics (No longer online)
- Helium: A to Z of Terms related to the Thermal Spray Process and Surface Engineering
- Glossary of Meteorology (No longer online)
- Explosives (No longer online)
(Note: See
heliums as well.)
▸ 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.
▸ noun: (countable) A form or sample of the element.
he,
atomic number 2,
hydrogen,
helion,
helium hydride,
heliumide,
mercury,
holmium,
hydridohelium,
heliair,
more...
liquid,
superfluid,
pure,
solid,
neutral,
gaseous,
inert,
ordinary,
atmospheric,
primordial,
normal
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