See Also: twinning(medicine)
twinning(dictionary)

twinning (iou)



twinning noun. ME.
[from TWIN verb + -ING1.]
Parting, separation. Scot. ME-L16.
Giving birth to two children or animals at a birth; the bearing of twins. L16.
Coupling, close union or combination; spec. (a) Crystallography the union of two crystals to form a twin (TWIN noun 5); (b) the official linking of one town or city with or with another, esp. in a different country, for the purposes of friendship and cultural exchange. M19.