A person or thing acting or serving in place of another
the casual workers might be substitutes for agency workers
A protein-containing food used as a replacement for meat in the diet; specifically a meat analogue.
A person who or thing which takes the place of the mother.
A solution used as a substitute for blood plasma in transfusions; a plasma expander.
= substitutes' bench.
An agent employed to procure a substitute on behalf of a person who has been conscripted.
The process of feeding an infant with a substitute for breast milk.
A type of xylem fibre found in woody tissue, which consists of elongated, aseptate, partially lignified cells and is thought to form an intermediate between parenchyma (soft tissue) and tracheids.
To work as a substitute teacher. Also with object: to teach (a lesson, subject, etc.) as a substitute teacher.
A teacher employed to fill in temporarily for another who is absent; especially one who is regularly employed in this way.
The business of acting as a substitute broker.
The work or occupation of a substitute teacher.