Library / English Dictionary

HYDROGEN ATOM

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

An atom of hydrogen

Classified under:

Nouns denoting substances

Hypernyms ("hydrogen atom" is a kind of...):

atom ((physics and chemistry) the smallest component of an element having the chemical properties of the element)

Meronyms (parts of "hydrogen atom"):

hydrogen ion (a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus)

Hyponyms (each of the following is a kind of "hydrogen atom"):

acid hydrogen; acidic hydrogen (a hydrogen atom in an acid that forms a positive ion when the acid dissociates)

deuterium; heavy hydrogen (an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen))

Credits

 Context examples: 

Alkyls are radicals derived from an aliphatic hydrocarbon by removal of a hydrogen atom.

(Alkyltransferase and Aryltransferase, NCI Thesaurus)