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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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abstraction, abstract entity go
a general concept formed by extracting common features from specific examples
a general concept formed by extracting common features from specific examples
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rare earth, rare-earth element, lanthanoid, lanthanide, lanthanon go
any element of the lanthanide series (atomic numbers 57 through 71)
any element of the lanthanide series (atomic numbers 57 through 71)
terbium metal
a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium
a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium
noun.substance
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