plural of blood replacement

A chemical reaction involving a change of chemical bonds, so that two compounds become two different compounds, in the form AB+CD→AC+BD

plural of double-replacement reaction

plural of double replacement reaction

A chemical reaction involving a change of chemical bonds, so that two compounds become two different compounds, in the form AB+CD→AD+CB

(medicine, especially serotherapy) Any of several medical regimens that introduce sex hormones to the body to replace lost or unavailable ones.

(Britain, transport) A special bus service which replaces a train service when engineering work is carried out, or when the train service is temporarily suspended for other reasons such as flooding, track damage etc.

plural of bus replacement service

(UK, transport) Synonym of bus replacement service.

plural of rail replacement service