Chemical - Law Dictionary Search Results
niacin
the normal function of the nervous system and the gastrointestinal tract Called also nicotinic acid and antipellagra vitamin Chemical formula C6H5NO2 chemically it is 3 pyridinecarboxylic acid
nonfissionable
not capable of undergoing fission4 of atoms or chemical elements Opposite of fissionable
Photochemical
Of or pertaining to chemical action of light or produced by it as the photochemical changes of the visual purple of the retina
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Od
to produce the phenomena of mesmerism and to be developed by various agencies as by magnets heat light chemical or vital action etc called also odyle or the odylic force
oxidized
combined with or having undergone a chemical reaction with oxygen as the oxidized form of iodine
palimpsest
original texts on parchments which had been washed with lime water and dried were easily recovered by a chemical process but those erased by scraping the parchment and bleaching are difficult to interpret Most of the manuscripts
Paramorph
which there has been a change of physical characters by a change in crystal structure without alteration of chemical composition as the change of aragonite to calcite called also allomorph
Paramorphism
of one mineral species to another so as to involve a change in physical characters without alteration of chemical composition
Petrology
The department of science which is concerned with the mineralogical and chemical composition of rocks and with their classification lithology
Phase rule
A generalization with regard to systems of chemical equilibrium discovered by Prof J Willard Gibbs It may be stated thus The degree of variableness number of
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