(oil industry) Revenues received from the sale of oil or gas on spot market minus the costs of extraction, processing and transportation.

(inorganic chemistry) The binary compound of silicon and fluorine SiF₄, a colourless, poisonous gas with a pungent odour, used in the production of silicon semiconductors.

Misspelling of pleiotropic.

A small village in Sapperton parish, Cotswold district, Gloucestershire, England (OS grid ref SO9202).