Helicity
# Helicity

Helicity may refer to:

* Helicity (fluid mechanics), the extent to which corkscrew-like motion occurs
* Helicity (particle physics), the projection of the spin onto the direction of momentum
* Magnetic helicity, the extent to which a magnetic field "wraps around itself"
* Circular dichroism, the differential absorption of left and right circularly polarized light
* A form of axial chirality
* A former name for inherent chirality
