[pir-i-dok-seen, -sin] /ˌpɪr ɪˈdɒk sin, -sɪn/
a derivative of , C 8 H 1 1 NO 3 , occurring in whole-grain cereals, meats, fish, etc., and also made synthetically: required for the prevention of pellagra and the formation of hemoglobin; vitamin B 6 .
(biochem) a derivative of pyridine that is a precursor of the compounds pyridoxal and pyridoxamine Also vitamin B6
pyridoxine pyr·i·dox·ine (pĭr’ĭ-dŏk’sēn, -sĭn) or pyr·i·dox·in (-dŏk’sĭn)
A pyridine derivative occurring especially in cereals, yeast, liver, and fish and serving as a coenzyme in amino acid synthesis.
A pyridine derivative that is the main form of vitamin B6. Chemical formula: C8H11NO3.
[pir-uh-fawrm] /ˈpɪr əˌfɔrm/ adjective 1. . /ˈpɪrɪˌfɔːm/ adjective 1. (esp of organs of the body) pear-shaped
[pahy-ruh-meth-uh-meen, -min] /ˌpaɪ rəˈmɛθ əˌmin, -mɪn/ noun, Pharmacology. 1. a potent substance, C 1 2 H 1 3 ClN 4 , used against susceptible plasmodia in the prophylactic treatment of malaria and against Toxoplasma gondi in the treatment of toxoplasmosis. pyrimethamine py·ri·meth·a·mine (pī’rə-měth’ə-mēn’, -mĭn) n. A potent folic acid antagonist used as a prophylactic antimalarial […]
[pahy-rim-i-deen, pi-, pir-uh-mi-deen, -din] /paɪˈrɪm ɪˌdin, pɪ-, ˈpɪr ə mɪˌdin, -dɪn/ noun, Biochemistry. 1. a heterocyclic compound, C 4 H 4 N 2 , that is the basis of several important biochemical substances. 2. one of several pyrimidine derivatives, especially the bases cytosine, thymine, and uracil, which are fundamental constituents of nucleic acids. /paɪˈrɪmɪˌdiːn/ noun […]
[pir-uh-fleg-uh-thon, -flej-] /ˌpɪr əˈflɛg əˌθɒn, -ˈflɛdʒ-/ noun, Classical Mythology. 1. (def 1).