The two philosophers disagreed chasmically on the nature of consciousness.

The canyon's chasmlike opening swallowed the last of the morning light.

The chasmy cliff towered over the valley, its shadow swallowing the winding path below.

A chasmal rift opened beneath our feet, swallowing the old trail in a breathless instant.

Researchers isolated chasmanine from a deep-sea sponge and characterized its unusual stereochemistry.

The paleontologist held up the fossil, explaining that the chasmataspidid had once prowled the shallow seas hundreds of millions of years ago.

Paleontologists recently discovered several well-preserved chasmataspidids in Silurian rock formations in Appalachia.

The rover captured high-resolution images of several chasmas along the Martian equator.

The chasmatical gorge seemed to swallow the sunlight, leaving only a cold, echoing darkness.