noun (plural -ties) Date: 1570 1. the quality or state of being null, b. nothingness , a mere nothing ; nonentity , one that is null, the number of elements in a basis of a null-space
NULLITY
Meaning of NULLITY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012