English Dictionary

PYRIDINE

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 Dictionary entry overview: What does pyridine mean? 

PYRIDINE (noun)
  The noun PYRIDINE has 1 sense:

1. a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coalplay

  Familiarity information: PYRIDINE used as a noun is very rare.


 Dictionary entry details 


PYRIDINE (noun)


Sense 1

Meaning:

A toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal

Classified under:

Nouns denoting substances

Hypernyms ("pyridine" is a kind of...):

alkali; base (any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water)

Hyponyms (each of the following is a kind of "pyridine"):

triphosphopyridine (a pyridine ring with three phosphorus groups)


 Context examples 


The tartrate salt form of metyrapone, a pyridine derivative and an inhibitor of steroid 11-beta-hydroxylase with anti-adrenal activity.

(Metyrapone Tartrate, NCI Thesaurus)

An orally active synthetic antifibrotic agent structurally similar to pyridine 2,4-dicarboxylate.

(Pirfenidone, NCI Thesaurus)

The acetate salt form of pirbuterol, a synthetic catecholamine and a pyridine derivative with sympathomimetic and bronchodilatory effects.

(Pirbuterol Acetate, NCI Thesaurus)

A pyridine derivative and a glucocorticoid synthesis inhibitor.

(Metyrapone, NCI Thesaurus)

A pyridine derivative with antitumor activity.

(Gimeracil, NCI Thesaurus)

DNCB is also used as a reagent for the detection and determination of pyridine compounds.

(Dinitrochlorobenzene, NLM, Medical Subject Headings)

An organic compound derived from pyridine with potassium channel inhibition activity.

(Amifampridine, NCI Thesaurus)

A pyridine derivate histamine H1 antagonist with pronounced sedative properties.

(Doxylamine Succinate, NCI Thesaurus)

The term has been generalized to include aromatic heterocyclic structures, such as thiophene and pyridine, but it is more precise to call compounds of the latter type heteroaromatic.

(Aromatic Compounds, NCI Thesaurus)

In 2001 a team led by Sandra Pizzarello of Arizona State University, in Tempe discovered it along with related molecules called pyridine carboxylic acids in the Tagish Lake meteorite.

(Vitamin B3 might have been made in space, delivered to Earth by meteorites, NASA)



 Learn English with... Proverbs 
"The early bird gets the worm." (English proverb)

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