Definition of bifilar
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>
Origin and Etymology of bifilar
International Scientific Vocabulary bi- + Latin filum thread — more at file
First Known Use: 1846
Seen and Heard
What made you want to look up bifilar? Please tell us where you read or heard it (including the quote, if possible).