A substitution cipher

A substance that tastes salty but contains less sodium than table salt (sodium chloride), or none at all.

(organic chemistry) A system for naming organic compounds in which a functional group is used either as a prefix or a suffix to the name of a parent compound e.g. trinitrotoluene or benzenesulfonic acid

Liquid that replaces milk in a diet or recipe.

A food additive that replicates the sweetness of sugar but is not sugar.

(philosophy) Synonym of indiscernibility of identicals

(sports) A rule in some sports that allows players to enter and leave the game for other players many times during the course of the game, and for coaches to bring in and take out players an unlimited number of times.

plural of free substitution

plural of blood substitution

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