Phenanthrene is a 12 letter English word. It's valid Words with friends word worth 22 points.
You can make 369 anagrams from letters in phenanthrene (aeeehhnnnprt).
1880-85; phen- + anthr- + -ene
phenanthrene forms a quinone which has been utilized as a source of colouring-matters, but these are comparatively unimportant.
The next members are the isomers anthracene and phenanthrene, C14H10, formed from three benzene nuclei.
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