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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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physical entity go
an entity that has physical existence
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process, physical process go
a sustained phenomenon or one marked by gradual changes through a series of states
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industrial process go
a systematic series of mechanical or chemical operations that produce or manufacture something
Haber process, Haber-Bosch process
an industrial process for producing ammonia from nitrogen and hydrogen by combining them under high pressure in the presence of an iron catalyst
noun.process

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