(rare) the state of not willing to be committed

(British spelling) that does not crystallise.

plural of non liquet

an enzyme conferring resistance to beta-lactam antibiotics / a gene that codes for the enzyme

Alternative form of New Delhi metallo-beta-lactamase-1

plural of nine-to-fiver

To fit together snugly; to be part of a compact unit.

Any of several forms of fixed-length identification number on stamps, books, etc.

Any of the arbitrary alphanumeric codes in a system for labelling optical filters, usually for photographic use.

(physics) A mathematical notation using indices to label the components of vectors and tensors.