noun
Used as a noun meaning thread, often in technical or compound contexts. The more common word for thread is いと.
この布は細い糸で織られている。
This cloth is woven with fine thread.
numeric
one ten-thousandth; 0.0001
A numeric unit representing one ten-thousandth (10⁻⁴). Used in traditional Japanese measurement contexts.
一割の一割が糸にあたる。
One-tenth of one-tenth equals one ten-thousandth.