The story
From dihydro + phenanthrene.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The dihydrogenated product of phenanthrene, 9,10-dihydrophenanthrene, that is formed during oil refining Full definition →
From dihydro + phenanthrene.
Etymology from Wiktionary, CC BY-SA 4.0.