英语词汇“protoderm”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	protoderm
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pro•to•derm (prō′tə dûrm′),USA pronunciation n. [Bot.] Plant Biologya thin outer layer of the meristem in embryos and growing points of roots and stems, which gives rise to the epidermis. Also called dermatogen. proto- + -derm 1930–35
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