pyro-, pyr- +
(Greek: fire, burn; heat, produced by heating; and sometimes "fever")
pyrolatry
The worship of fire; fire worship.
pyroligneous
Something made by the destructive distillation of wood.
pyrolithic
Pertaining to, or designating, an acid now called cyanuric acid.
pyrologist
Someone who studies the effects of heat.
pyrology
1. The study of fire and heat, especially with regard to chemical analysis.
2. A treatise on heat; or the natural history of heat, latent and sensible.
3. That branch of physical science which deals with the properties, phenomena, or effects of heat; also, a treatise on heat.
pyrolysis
1. The use of heat to break down complex chemical substances into simpler substances.
2. The transformation of a substance produced by the action of heat
pyrolytic
A reference to the decomposition of a material or compound because of heat in the absence of oxygen or any other reagents.
pyromachist
Someone who uses fire in military combat or fighting.
pyromachy
Fighting with fire or the use of fire in military combat.
pyromagma
A highly mobile lava, over saturated with gases, that exists at lower depths than hypomagma.
Hypomagma is defined as a relatively immobile, viscous lava that forms at depth beneath a shield volcano, and which is under saturated with gases, and initiates volcanic activity.
pyromancer
Someone who foretells the future with fire or flames.
pyromancy
Divination with fire or flames; a good omen resulted when the flames were vigorous and quickly consumed the sacrifice and when the smoke was transparent, neither red nor dark in color, when it didn’t crackle, but burnt silently in a pyramidal form; but a bad omen when it was difficult to kindle, disturbed by wind or slow to consume the victim.
Mantics also observed flames of torches by throwing powdered pitch into the flames. Another aspect is pyroscopy (based on the burn stains left on a light surface after burning a sheet of paper).
pyromania
1. Insanity characterized by an impulse to set things on fire; a mania for incendiarism.
2. An irrational urge to set destructive fires and watch them burn.
There's nothing consistent about human behavior except its tendency to drift towards evil.
—Anonymous
pyromaniac
A person who has an uncontrollable impulse, or urge, to start fires.
pyromaniacal
A reference to a monomania that someone has for setting and watching fires.
Cross references of word groups that are related, directly, indirectly, or partly to: "fire, burn, glow, or ashes":
ars-, ard-;
cand-, cend-;
caust-, caut-;
crema-;
ciner-;
ether-;
flagr-;
flam-;
focus, foci-;
fulg-;
gehenna-;
ign-;
phleg-;
phlog-;
pyreto-, -pyrexia;
spodo- (ashes; waste);
volcan-.
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