plural of substitution cipher

(theology) The theory of atonement which holds that Jesus died on the Cross in place of human sinners.

(Canada, US, Ireland) A supply teacher.

plural of substitute teacher

plural of substituted amphetamine

(organic chemistry) Any chemical that contains amphetamine in its chemical structure or can be described by a chemical substitution of the amphetamine compound.

(calculus) A method of integration in which a function of a variable is replaced with a new variable, conventionally called u.

(programming) The semantics-free search and replacement of one sequence of text characters with another.

plural of electrophilic substitution

plural of nucleophilic substitution