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单词 tomentum
释义

WordReference Random House Unabridged Dictionary of American English © 2024
to•men•tum  (tə mentəm),USA pronunciation n., pl. -ta 
    (-tə).USA pronunciation [Bot., Entomol.]
  1. pubescence consisting of longish, soft, entangled hairs pressed close to the surface.
  • Neo-Latin tōmentum, Latin: stuffing (of wool, hair, etc.) for cushions
  • 1690–1700

Collins Concise English Dictionary © HarperCollins Publishers::
tomentum /təˈmɛntəm/ n ( pl -ta / -tə/)
  1. a feltlike covering of downy hairs on leaves and other plant parts
  2. a network of minute blood vessels occurring in the human brain between the pia mater and cerebral cortex
Etymology: 17th Century: New Latin, from Latin: stuffing for cushions; related to Latin tumēre to swell
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