hydrogen (HyperDic hyper-dictionary)

English > 1 sense of the word *hydrogen*:
NOUN	substance	hydrogen, H, atomic number 1	a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas

hydrogen > pronunciation
Sounds	hhay'drahjhahn
Rhymes	Aachen ... Zukerman: 2572 rhymes with ahn...

English > *hydrogen*: 1 sense > noun 1, substance
Meaning	A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe.
Synonyms	H, atomic number 1
Narrower	tritium	A radioactive isotope of hydrogen
Broader	chemical element, element	Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
Broader	gas	A fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
Substance of	water, H2O	binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid / liquid
Spanish	hidrógeno, número atómico 1
Catalan	hidrogen, número atòmic 1
Verbs	hydrogenate	combine or treat with or expose to hydrogen

HyperDic: hydrogen