Definition of pore

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< pore

pore fungus >

pore²    (pôr, pr) KEY 

NOUN:

1. A minute opening in tissue, as in the skin of an animal, serving as an outlet for perspiration, or in a plant leaf or stem, serving as a means of absorption and transpiration.
2. A space in rock, soil, or unconsolidated sediment that is not occupied by mineral matter and that allows the passage or absorption of fluids: Water seeped into the pores of the rock.

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ETYMOLOGY:
Middle English, from Old French, from Late Latin porus, passage, from Greek poros; see per-² in Indo-European roots