helicity
/heˈlɪsətɪ/noun
mass noun
1
- chiefly Biochemistry helical character, especially ofDNA【主生化】（尤指DNA的）螺旋度, 螺旋结构。
2
- Physics a combination of the spin and the linear motion of a subatomic particle【物理】螺旋性。
词源
1950s (in sense 2)： from Latin helix， helic- 'spiral' + -ITY.