nouns
something that happens at a given place and time
is a type of (narrower)
a feature of the mental life of a living organism
a special set of circumstances
"in that event, the first possibility is excluded"; "it may rain in which case the picnic will be canceled"
a phenomenon located at a single point in space-time; the fundamental observational entity in relativity theory
domain category
(physics) the theory that space and time are relative concepts rather than absolute concepts
is a type of (narrower)
a natural phenomenon involving the physical properties of matter and energy
a phenomenon that follows and is caused by some previous phenomenon
"the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event"