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

cot•y•le•don n. [countable]

Botanythe primary leaf of the embryo of seed plants.

cot•y•le•don n. [Bot.]

Botanythe primary or rudimentary leaf of the embryo of seed plants.
Anatomyany of several lobules of the placenta.

Greek kotylēdó̄n a plant (probably navelwort), literally, a cuplike hollow, derivative of kotýlē cup
Latin: navelwort
1535–45;

cot′y•le′don•al, cot•y•le•don•ar•y cot′y•le′don•ous, adj.

cotyledon /ˌkɒtɪˈliːd^ən/ n

a simple embryonic leaf in seed-bearing plants, which, in some species, forms the first green leaf after germination

Etymology: 16th Century: from Latin: a plant, navelwort, from Greek kotulēdōn, from kotulē cup, hollow

ˌcotyˈledonous, ˌcotyˈledoˌnoid adj ˌcotyˈledonal adj

单词	cotyledon
释义	WordReference Random House Learner's Dictionary of American English © 2024 cot•y•le•don /ˌkɑtəˈlidən/USA pronunciation n. [countable] Botanythe primary leaf of the embryo of seed plants. WordReference Random House Unabridged Dictionary of American English © 2024 cot•y•le•don (kot′l ēd′n),USA pronunciation n. [Bot.] Botanythe primary or rudimentary leaf of the embryo of seed plants. Anatomyany of several lobules of the placenta. Greek kotylēdó̄n a plant (probably navelwort), literally, a cuplike hollow, derivative of kotýlē cup Latin: navelwort 1535–45; cot′y•le′don•al, cot•y•le•don•ar•y (kot′l ēd′n er′ē),USA pronunciation cot′y•le′don•ous, adj. Collins Concise English Dictionary © HarperCollins Publishers:: cotyledon /ˌkɒtɪˈliːd^ən/ n a simple embryonic leaf in seed-bearing plants, which, in some species, forms the first green leaf after germination Etymology: 16th Century: from Latin: a plant, navelwort, from Greek kotulēdōn, from kotulē cup, hollow ˌcotyˈledonous, ˌcotyˈledoˌnoid adj ˌcotyˈledonal adj
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