| 单词 | spicule |
| 释义 | Word Frequency spicule(ˈspɪkjuːl) noun 1. Also called: spiculum a small slender pointed structure or crystal, esp any of the calcareous or siliceous elements of the skeleton of sponges, corals, etc 2. astronomy a spiked ejection of hot gas occurring over 5000 kilometres above the sun's surface (in its atmosphere) and having a diameter of about 1000 kilometres Derived forms spiculate (ˈspɪkjʊˌleɪt, -lɪt) adjective Word origin C18: from Latin: spiculum |
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