| 单词 | unicostate |
| 释义 | unicostate in British English (ˌjuːnɪˈkɒsteɪt) adjective biology having only one rib or riblike part unicostate leaves unicostate in American English (ˌjunəˈkɑsˌteɪt) adjective Botany having only one main rib said of a leafunicostate in American English (ˌjuːnɪˈkɑsteit, -ˈkɔsteit) adjective 1. having only one costa, rib, or ridge 2. Botany (of a leaf) having only one primary or prominent rib, the midrib Word origin [1840–50; uni- + costate]This word is first recorded in the period 1840–50. Other words that entered Englishat around the same time include: bypass, creationism, dope, flan, warmupuni- is a combining form occurring in loanwords from Latin (universe), used, with the meaning “one,” in the formation of compound words (unicycle). Other words that use the affix uni- include: uniaxial, unicorn, uniform, unipolar, unisex |
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