plural of Wetherell

(piping, valves) Initialism of water-oil-gas, typically marked on valves that are acceptable for use with these fluids.

A village in Elmton parish, Bolsover district, Derbyshire, England (OS grid ref SK5274). / A suburban village and civil parish in Stafford borough, Staffordshire, England (OS grid ref SJ9025).

Resembling or characteristic of an epidemic.