physical substance (Q28732711)
description:
substance composed of quantum particle(s)/field(s), such as matter and/or radiation; that of which objects/systems are composed; physical stuff that can be considered concrete (not strictly abstract)
aliases:
physically real stuff; matter-energy; substance
subclass of
concrete object
(Q4406616)
– a particular or specific instance of an entity. To describe tangible or physical objects use Q223557
substance
(Q378078)
– basic ontological concept
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