单词 cotyledonous 释义 cotyledonous, a.|ktlidns|[f. as prec. + -ous.]1. Characterized by the presence of cotyledons.1830Lindley Nat. Syst. Bot. 280 The cotyledonous extremity becoming thickened in germination.1882Syd. Soc. Lex., Cotyledonous placenta.2....