H (Noun)
Meaning 1
The 8th letter of the Roman alphabet.
Classification
Nouns denoting communicative processes and contents.
Synonyms
Hypernyms
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.
Classification
Nouns denoting quantities and units of measure.
Synonyms
Hypernyms
Meaning 3
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.
Classification
Nouns denoting substances.
Synonyms
Hypernyms
Hyponyms
Meaning 4
(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure; "enthalpy is the amount of energy in a system capable of doing mechanical work".
Classification
Nouns denoting attributes of people and objects.
Synonyms
Hypernyms
Meaning 5
The constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second.
Classification
Nouns denoting quantities and units of measure.