Usually means: Lightest, most abundant chemical element.
Definitions Related words Phrases (New!) Mentions Lyrics History Colors (New!)
We found 52 dictionaries that define the word hydrogen:

General (25 matching dictionaries)
  1. hydrogen: Merriam-Webster.com
  2. hydrogen: Oxford Learner's Dictionaries
  3. hydrogen: American Heritage Dictionary of the English Language
  4. hydrogen: Collins English Dictionary
  5. hydrogen: Vocabulary.com
  6. Hydrogen, hydrogen: Wordnik
  7. hydrogen: Cambridge Advanced Learner's Dictionary
  8. hydrogen: Wiktionary
  9. hydrogen: Webster's New World College Dictionary, 4th Ed.
  10. hydrogen: The Wordsmyth English Dictionary-Thesaurus
  11. hydrogen: Infoplease Dictionary
  12. hydrogen: Dictionary.com
  13. hydrogen: Online Etymology Dictionary
  14. hydrogen: Cambridge Essential American English Dictionary
  15. Hydrogen (disambiguation), Hydrogen (horse), Hydrogen (software), Hydrogen: Wikipedia, the Free Encyclopedia
  16. Hydrogen: Online Plain Text English Dictionary
  17. hydrogen: Rhymezone
  18. hydrogen: AllWords.com Multi-Lingual Dictionary
  19. hydrogen: Webster's 1828 Dictionary
  20. hydrogen: Free Dictionary
  21. hydrogen: Mnemonic Dictionary
  22. hydrogen: Dictionary/thesaurus
  23. hydrogen: Webster's Revised Unabridged, 1913 Edition

Art (1 matching dictionary)
  1. hydrogen: ArtLex Lexicon of Visual Art Terminology

Business (2 matching dictionaries)
  1. Hydrogen: Energy Dictionary
  2. hydrogen: Financial dictionary

Computing (1 matching dictionary)
  1. hydrogen: Encyclopedia

Medicine (7 matching dictionaries)
  1. Dorland's Illustrated Medical Dictionary (No longer online)
  2. Hydrogen: MedTerms.com Medical Dictionary
  3. Medical Dictionary (No longer online)
  4. Digestive Diseases Dictionary (No longer online)
  5. online medical dictionary (No longer online)
  6. hydrogen: Medical dictionary
  7. Hydrogen: Drug Medical Dictionary

Miscellaneous (1 matching dictionary)
  1. Encyclopedia of Graphic Symbols (No longer online)

Science (7 matching dictionaries)
  1. Hydrogen: Eric Weisstein's World of Chemistry
  2. Hydrogen: Eric Weisstein's World of Physics
  3. Imagine the Universe! Dictionary (No longer online)
  4. Hydrogen: Extragalactic Astronomy
  5. General Chemistry Online (No longer online)
  6. hydrogen: WebElements Periodic Table of the Elements
  7. HYDROGEN: Zoom Astronomy Glossary

Slang (1 matching dictionary)
  1. hydrogen: Urban Dictionary

Tech (7 matching dictionaries)
  1. High-Energy Astrophysics (No longer online)
  2. AUTOMOTIVE TERMS (No longer online)
  3. Hydrogen: A to Z of Terms related to the Thermal Spray Process and Surface Engineering
  4. Glossary of Meteorology (No longer online)
  5. Explosives (No longer online)
  6. Lake and Water Word Glossary (No longer online)
  7. Glossary of Energy Terms (No longer online)

(Note: See hydrogenous as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
noun:  The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794.
noun:  An atom of the element.
noun:  Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.
noun:  A molecule of this molecular species
noun:  The isotope hydrogen-1 (also symbol H), contrasting with deuterium and tritium
noun:  A sample of the element/molecule.

Similar:

Opposite:

Types:

Phrases:

Adjectives:

Colors:
    pale blue,     light blue,     sky blue,     aqua,     cyan, more...



Word origin

Words similar to hydrogen

Usage examples for hydrogen

Idioms related to hydrogen

Wikipedia articles (New!)

Popular adjectives describing hydrogen

Words that often appear near hydrogen

Rhymes of hydrogen

Invented words related to hydrogen

Similar:

Opposite:

Types:

Phrases:

Adjectives:

Colors:
    pale blue,     light blue,     sky blue,     aqua,     cyan, more...



Writing poetry or lyrics? You can find related words that match a given meter.
This feature is permanently available from the "Related words" tab and from the Thesaurus.





Home   Reverse Dictionary / Thesaurus   Datamuse   Compound Your Joy   Threepeat   Spruce   Feedback   Dark mode   Help


Our daily word games Threepeat and Compound Your Joy are going strong.
Sign up for our new mailing list here!