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pyrocatechol
pyrocellulose
pyrochemical
pyroclastic
pyroconductivity
pyroelectricity
pyrogallol
pyrogen
pyrogenic
pyrography
pyroligneous acid
pyrolusite
pyrolysate
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pyridoxal
pyr·i·dox·al [ pìrri dóksəl ]


noun 
Definition:
 
compound of vitamin B6 group: a coenzyme derived from vitamin B6 that is involved in the synthesis of amino acids
[Mid-20th century. <pyridoxine]
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