| 单词 | rhamphotheca |
| 释义 | rhamphotheca in British English (ˌræmfəˈθiːkə) nounWord forms: plural -cae (-siː) a covering on beaks made up of keratin, a fibrous structural protein rhamphotheca in American English (ˌræmfəˈθikə) noun the horny covering of a bird's bill Word origin [1865–70; ‹ Gk rhámpho(s) beak + theca]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: maverick, springboard, steamroller, tick-tack-toe, valenceExamples of 'rhamphotheca' in a sentence |
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