Associations to the word «Pterin»
Noun
| 1 |
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
We should have a great fewer disputes in the world if words
were taken for what they are, the signs of our ideas only,
and not for things themselves.