| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024spic•ule (spik′yo̅o̅l),USA pronunciation n. - a small or minute, slender, sharp-pointed body or part;
a small, needlelike crystal, process, or the like. - [Zool.]one of the small, hard, calcareous or siliceous bodies that serve as the skeletal elements of various marine and freshwater invertebrates.
- Astronomya jet of gas several hundred miles in diameter rising from the sun's surface to heights of 3000 to 6000 miles (4800 to 9600 km).
- Latin spīculum spearhead, arrowhead, bee stinger, equivalent. to spīc(a) ear of grain (see spica) + -ulum -ule
- 1775–85
Collins Concise English Dictionary © HarperCollins Publishers:: spicule /ˈspɪkjuːl/ n
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- 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
Etymology: 18th Century: from Latin: spiculumspiculate /ˈspɪkjʊˌleɪt -lɪt/ adj |