Authorities place the solubility of pyro as one part in two of water.
A small bottle of pyro is also convenient for one who brings a curling lamp.
If a solution of yellow prussiate of potash be used in place of the pyro solution, a blue print is obtained.
It is to him more than to any other, for instance, that is due the first steps in our knowledge of pyro-(or thermo-) electricity.
Sulphite of soda, citric acid and sulphurous acid are used to keep the pyro from oxidizing.
Almost any of the modern developers (pyro excepted) will give good results with bromide paper.
pyro will be found the most suitable developer, but it should contain a full proportion of sulphite, and not be too strong.
The oxides of alkaline metals or their alkaline salts are not the only accelerators susceptible of being used in pyro development.
The theory of development is that the pyro is the developing agent and gives the strength.
Place a small heap of dry granulated soda (or half a dozen tablets of sodic hydroxide) by the side of the pyro tablets.
before vowels pyr-, word-forming element form meaning "fire," from Greek pyro-, combining form of pyr (genitive pyros) "fire, funeral fire," also symbolic of terrible things, rages, "rarely as an image of warmth and comfort" [Liddell & Scott]; see fire (n.). Pyriphlegethon, literally "fire-blazing," was one of the rivers of Hell.
pyro- or pyr-
Fire; heat: pyrophobia.
Relating to the action of fire or heat: pyrolysis.
Derived from an acid by the loss of a water molecule: pyrophosphoric acid.
A pyromaniac, lover of fire (1977+)