Topic Navigator

Noun Tree | Nouns Groups | Verb Groups | Search

Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

process, physical process go
a sustained phenomenon or one marked by gradual changes through a series of states

action, activity, natural process, natural action go
a process existing in or produced by nature (rather than by the intent of human beings)

nuclear reaction go
(physics) a process that alters the energy or structure or composition of atomic nuclei

fusion, nuclear fusion, nuclear fusion reaction
a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy

noun.process

2 Subcategories

cold fusion go
nuclear fusion at or near room temperatures
thermonuclear reaction go
a nuclear fusion reaction taking place at very high temperatures (as in the sun)