The gradual demographic and cultural replacement of the white French population, or (by extension) other white European populations, by non-European peoples who are deliberately assisted by elites, according to a nationalist conspiracy theory.

A surgical procedure in which the hip joint is replaced by a prosthetic implant.

(rugby) A temporary substitution for a visibly bleeding player who must leave the field of play for first-aid treatment.

plural of hip replacement

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.