Associations to the word «Pterin»
Noun
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Wiktionary
PTERIN, noun. (organic compound) A ketonic amide derivative of pteridine responsible for some of the colouring in nature. It is also a component of folic acid.
Wise words
Words, words, words! They shut one off from the universe.
Three quarters of the time one's never in contact with
things, only with the beastly words that stand for them.