plural of Perthian

Obsolete form of particular.

Obsolete form of particular.

(chemistry) persulphocyanogen

A historical county in central Scotland, joined with Kinross-shire for administration after 1929.

(chemistry) persulphocyanic acid

(organic chemistry) An insecticide, 1,1-dichloro-2,2-bis(4-ethylphenyl)ethane

A mathematical technique for finding an approximate solution to a problem that cannot be solved exactly, by starting from the exact solution of a related problem; used in modelling physical interactions between particles, etc.

The relationship between terms that are pertainyms.

plural of pertaining