Associations to the word «Pterin»

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.
Aldous Huxley