fibril târcé (#) Fr.: fibrille A linear pattern in the → chromosphere of the → Sun, as seen through an → H-alpha filter, occurring near strong → sunspots and → plages or in → filament channels. They are magnetically confined tubes of hot → plasma. Individually, they are about 10,000 km long and last for 10 to 20 minutes. Etymology (EN): From Mod.L. fibrilla, from fibr(a) “fiber” + -illa diminutive suffix. Etymology (PE): Târcé, from târ “thread, warp, → string”
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