What is the meaning of PTYA. Phrases containing PTYA
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Acronyms & AI meanings
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PTYA
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n.
A process by which reaction occurs in the presence of certain agents which were formerly believed to exert an influence by mere contact. It is now believed that such reactions are attended with the formation of an intermediate compound or compounds, so that by alternate composition and decomposition the agent is apparenty left unchanged; as, the catalysis of making ether from alcohol by means of sulphuric acid; or catalysis in the action of soluble ferments (as diastase, or ptyalin) on starch.
a.
Like a panther, esp. in color; as, the pantherine snake (Ptyas mucosus) of Brazil.
n.
An unorganized amylolytic ferment, on enzyme, present in human mixed saliva and in the saliva of some animals.
n.
Salivation, or an excessive flow of saliva.
v. t.
To produce an abnormal flow of saliva in; to produce salivation or ptyalism in, as by the use of mercury.
n.
A ptysmagogue.
n.
The act or process of salivating; an excessive secretion of saliva, often accompanied with soreness of the mouth and gums; ptyalism.
n.
An unorganized or unformed ferment, in distinction from an organized or living ferment; a soluble, or chemical, ferment. Ptyalin, pepsin, diastase, and rennet are good examples of enzymes.
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