bifilar

adjective

bi·​fi·​lar (ˌ)bī-ˈfī-lər How to pronounce bifilar (audio)
1
: involving two threads or wires
bifilar suspension of a pendulum
2
: involving a single thread or wire doubled back upon itself
a bifilar resistor
bifilarly adverb

Word History

Etymology

International Scientific Vocabulary bi- + Latin filum thread — more at file

First Known Use

1846, in the meaning defined at sense 1

Time Traveler
The first known use of bifilar was in 1846

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Cite this Entry

“Bifilar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bifilar. Accessed 7 Jul. 2026.

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