| 单词 | facula |
| 释义 | facula in British English (ˈfækjʊlə) nounWord forms: plural -lae (-ˌliː) any of the bright areas on the sun's surface, usually appearing just before a sunspot and subject to the same 11-year cycle Derived forms facular (ˈfacular) adjective Word origin C18: from Latin: little torch, from fax torchfacula in American English (ˈfækjələ) nounWord forms: plural -lae (-ˌli) Astronomy an irregular, unusually bright patch on the sun's surface Derived forms facular adjective Word origin [1700–10; ‹ L: little torch, equiv. to fac- (s. of fax) torch + -ula -ule]This word is first recorded in the period 1700–10. Other words that entered Englishat around the same time include: camera, cirrus, cozy, envelope, marquise |
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