dextrality

noun
dex·​tral·​i·​ty | \ dek-ˈstral-ət-ē How to pronounce dextrality (audio) \
plural dextralities

Medical Definition of dextrality

: the quality or state of having the right side or some parts (as the hand or eye) different from and usually more efficient than the left or corresponding parts also : right-handedness