单词	midrib
释义	midrib noun mid·​rib ˈmid-ˌrib  : the central vein of a leaf Example Sentences Recent Examples on the Web Miss Muffet’ looks similar, but with a pale green color and a blush of red at the base of the midrib. Heather Arndt Anderson, Sunset Magazine, 10 Jan. 2020 Both have compound leaves with leaflets arranged in pairs along the leaf midrib. Ottillia "toots" Bier, Orange County Register, 2 June 2017 Word History First Known Use circa 1793, in the meaning defined above Kids Definition midrib noun mid·​rib ˈmid-ˌrib  : the central vein of a leaf
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