chasm

A chasm is a deep divide, either literal or figurative, such as a giant chasm in an ice cap or the growing chasm between two friends who haven't spoken in a long time.

The first syllable in chasm sounds like cat without the t sound: "CA-zum." It comes from the Greek word khasma, meaning "yawning hollow, gulf" and was originally used to describe a split in a land formation, such as a deep crack caused by an earthquake. The word still retains that sense, but today can also mean "a profound division between people or beliefs," such as a chasm between Republicans and Democrats.

Definitions of chasm
1

n a deep opening in the earth's surface

Types:
abysm, abyss
a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively)
gulf
a deep wide chasm
Type of:
gap, opening
an open or empty space in or between things

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