Contains

• agent

  A substance that exerts some force or effect.

• fuel

  A substance that can be consumed to produce energy; "more fuel is needed during the winter...

• food

  Any substance that can be metabolized by an animal to give energy and build tissue.

• antigen

  Any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially...

• inhibitor

  A substance that retards or stops an activity.

• chemical irritant

  A substance producing irritation.

• leaven

  A substance used to produce fermentation in dough or a liquid.

• poison

  Any substance that causes injury or illness or death of a living organism.

• propellant

  Any substance that propels.

• lubricant

  A substance capable of reducing friction by making surfaces smooth or slippery.

• jelly

  Any substance having the consistency of jelly or gelatin.

• hydrocolloid

  A substance that forms a gel with water.

• refrigerant

  Any substance used to provide cooling (as in a refrigerator).

• humectant

  Any substance that is added to another substance to keep it moist.

• lysin

  Any substance (such as an antibody) or agent that can cause lysis.

• allergen

  Any substance that can cause an allergy.

• nutrient

  Any substance (such as a chemical element or inorganic compound) that can be taken in by...

• metabolite

  Any substance involved in metabolism (either as a product of metabolism or as necessary...

• fomentation

  A substance used as a warm moist medicinal compress or poultice.

• ferment

  A substance capable of bringing about fermentation.

• vehicle

  Any substance that facilitates the use of a drug or pigment or other material that is mixed...

• carcinogen

  Any substance that produces cancer.

• inoculant

  A substance (a virus or toxin or immune serum) that is introduced into the body to produce...

• adulterator

  Any substance that lessens the purity or effectiveness of a substance; "it is necessary...

• denaturant

  Any substance that serves as a denaturing agent.

• elixir

  Hypothetical substance that the alchemists believed to be capable of changing base metals...

• digestive

  Any substance that promotes digestion.

• pyrogen

  Any substance that can cause a rise in body temperature.

• assay

  A substance that is undergoing an analysis of its components.

• pyrogen

  Any substance characterized by its great flammability.

• ligand

  A substance (an atom or molecule or radical or ion) that forms a complex around a central...