(geometry) The golden section.

A company that is contracted, by a bank etc., to conduct some part of a financial transaction process; especially a company that provides software or hardware for such a process

(algebra) A way of representing an exterior product using a wedge symbol: ∧.

Suffix added to a noun to form an adjective denoting imperviousness to that noun.

(informal, biochemistry) Any protein that normally exists combined with another entity (metal, carbohydrate or lipid etc), free from its normal attachment.

(biochemistry) Any compound produced naturally by a living organism; especially those compounds that are useful commercially

(cryptography) An interactive method for one party to prove to another that a (usually mathematical) statement is true, without revealing anything other than the veracity of the statement.

An unwanted material produced during some manufacturing process, especially radioactive material from nuclear reactors. / The unwanted results of metabolism, expelled in the urine and faeces.

One who is on probation. / (Scotland) One who is licensed to preach, but not ordained to a pastorate.

(printing) A printing process which uses four specific colored inks: cyan, magenta, yellow and black (CMYK), and halftone printing plates, to reproduce a range of colors.