| 词源 |
filament n."fine untwisted thread, separate fibril," 1590s, from Modern Latin filamentum, from Late Latin filare "to spin, draw out in a long line," from Latin filum "thread" (from PIE root *gwhi- "thread, tendon"). As the name of the incandescent element in a light-bulb, from 1881. updated on June 14, 2017 |