(chemistry) The principle that chemical properties of the elements are periodic functions of their atomic numbers

UK spelling of labor of love

The Latin language as spoken, written, and used in the Christian church and in church services.

Language that refers to people with disabilities by saying people first, for example "people with disabilities", instead of adjectives ("disabled people") and copulas ("he is disabled") that would give primacy to the disability.

A type of mechanical seal that provides a tortuous path to help prevent leakage.

(UK) An appellation given to a woman who behaves in a perceived aristocratic manner

Synonym of native soil

plural of cousin-in-law

(transitive) To secure with ropes; to tie down / (intransitive) To rain heavily.

plural of labour union