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31 Subcategories

• food, nutrient go
  any substance that can be metabolized by an animal to give energy and build tissue
  
• nutrient go
  any substance (such as a chemical element or inorganic compound) that can be taken in by a green plant and used in organic synthesis
  
• elixir, philosopher's stone, philosophers' stone go
  hypothetical substance that the alchemists believed to be capable of changing base metals into gold
  
• allergen go
  any substance that can cause an allergy
  
• assay go
  a substance that is undergoing an analysis of its components
  
• pyrogen, pyrectic go
  any substance that can cause a rise in body temperature
  
• pyrogen go
  any substance characterized by its great flammability
  
• hydrocolloid go
  a substance that forms a gel with water
  
• adulterator, adulterant go
  any substance that lessens the purity or effectiveness of a substance
  
• propellant, propellent go
  any substance that propels
  
• denaturant go
  any substance that serves as a denaturing agent
  
• inhibitor go
  a substance that retards or stops an activity
  
• ferment go
  a substance capable of bringing about fermentation
  
• agent go
  a substance that exerts some force or effect
  
• carcinogen go
  any substance that produces cancer
  
• digestive go
  any substance that promotes digestion
  
• fomentation go
  a substance used as a warm moist medicinal compress or poultice
  
• fuel go
  a substance that can be consumed to produce energy
  
• lubricant, lubricator, lubricating substance, lube go
  a substance capable of reducing friction by making surfaces smooth or slippery
  
• humectant go
  any substance that is added to another substance to keep it moist
  
• inoculant, inoculum go
  a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease
  
• jelly go
  any substance having the consistency of jelly or gelatin
  
• leaven, leavening go
  a substance used to produce fermentation in dough or a liquid
  
• refrigerant go
  any substance used to provide cooling (as in a refrigerator)
  
• lysin go
  any substance (such as an antibody) or agent that can cause lysis
  
• poison, toxicant, poisonous substance go
  any substance that causes injury or illness or death of a living organism
  
• chemical irritant go
  a substance producing irritation
  
• antigen go
  any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
  
• ligand go
  a substance (an atom or molecule or radical or ion) that forms a complex around a central atom
  
• metabolite go
  any substance involved in metabolism (either as a product of metabolism or as necessary for metabolism)
  
• vehicle go
  any substance that facilitates the use of a drug or pigment or other material that is mixed with it