Full Idea
An object is specifically physical if it figures in explanations and descriptions of features of ordinary non-living matter, as in current physics; it is more generally physical if it is simply located in space-time.
Gist of Idea
'Physical' means either figuring in physics descriptions, or just located in space-time
Source
William Lycan (Consciousness [1987], 8.5)
Book Reference
Lycan,William G.: 'Consciousness' [MIT 1995], p.96
A Reaction
This gives a useful distinction when trying to formulate a 'physicalist' account of the mind, where type-type physicalism says only the 'postulates of physics' can be used, whereas 'naturalism' about the mind uses the more general concept.