(geology, planetology) A deep, steep-sided rift, gap or fissure; a gorge or abyss. / (by extension) A large difference of opinion.

plural of chasm

Having gaps or a chasm.

Misspelling of optic chiasm.

plural of chasma

(astronomy, geology) A long, narrow, steep-sided depression on a planet (often other than Earth), a moon, or another body in the Solar System. / (astronomy, obsolete, rare) An aurora.

(botany) chomophyte

plural of chasmophyte

In a chasmic way.

Like a chasm.