abbr.
| Dictionary: H2 |
| 5min Related Video: H |
| WordNet: H |
The noun has 4 meanings:
Meaning #1:
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: hydrogen, atomic number 1
Meaning #2:
a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
Synonym: henry
Meaning #3:
the 8th letter of the Roman alphabet
Meaning #4:
a narcotic that is considered a hard drug; a highly addictive morphine derivative
Synonyms: heroin, diacetylmorphine, horse, junk, scag, shit, smack
| H- | |
| aitch | |
| hypogastric |
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Copyrights:
![]() | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved. Read more | |
![]() | WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |