luó​xiàn

screw thread

Senses

螺线/ 螺線 luó​xiàn screw thread

the spiral groove on a screw or bolt

螺线/ 螺線 luó​xiàn spiral

a curve in a plane that winds around a fixed center point at a continuously increasing or decreasing distance

螺线/ 螺線 luó​xiàn helix

a three-dimensional curve that winds around a cylinder or cone at a constant angle

References

No references for this word.