| 单词 | tricostate |
| 释义 | tricostate in British English (traɪˈkɒsteɪt) adjective biology having three ribs or riblike parts tricostate leaves Word origin C19: from tri- + costatetricostate in American English (traɪˈkɑsˌteɪt) adjective Biology having three ribs or riblike parts Word origin tri- + costatetricostate in American English (traiˈkɑsteit, -ˈkɔsteit) adjective Botany & Zoology having three ribs, costae, or raised lines Word origin [1860–65; tri- + costate]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: big brother, institutionalism, monism, pop-up, raidertri- is a combining form meaning “three,” used in the formation of compound words. Otherwords that use the affix tri- include: triglyceride, triglyph, trinomial, triple, trivial |
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