nullities

n.

（尤指婚姻）法律上无效( nullity的名词复数 )；不存在；无足轻重的人；

1. The aggregate of human knowledge , as compared with what is to be learned , is a mere nullity.
   人类聚集之知识

The nullities for M-fuzzifying matroids
Nullities of submatrices of the Moore-Penrose inverse
The nullities for [formula omitted]-fuzzifying matroids
Application of Quine's nullities to a quantitative organelle pathology.
Outer inverses: Jacobi type identities and nullities of submatrices
THE INDICES, THE NULLITIES AND THE STABILITY OF TOTALLY GEODESIC SUBMANIFOLDS IN THE COMPLEX QUADRATIC HYPERSURF ACES
Application of Quine’s Nullities to a Quantitive Organelle Pathology. Journal of Theoretical Biology, 65, pp. 633-657
The indices, the nullities and the stability of totally geodesic submanifolds in the complex quadratic hypersurfaces: