| 释义 |
he·lic·i·ty
\heˈlisə̇d.ē, hə̇-\ noun
(-es)
Etymology: helic- + -ity
1. : the motion of a particle about an axis parallel to its direction of motion
2. : the component of the spin of a particle in its direction of motion measured in quantum units of spin
3.
a. : the quality or state of being helical
b. : the amount or degree of helical curve |