tholin

Etymology
From. and in 1979. From the muddy coloration that this class of chemical compounds appear to have, when observed on the Saturnian moon, and from -style experiments.

Noun

 * 1)  Any of several poorly classified heteropolymers derived from simple hydrocarbons and ammonia formed by solar irradiation in the atmospheres of icy planets and moons.

Translations

 * French: ,

Etymology
, from.