Definition

A term referring to changes in sea level due to variations in the volume of water in the oceans or changes in the shape of ocean basins.

Example

The concept of eustacy helps scientists understand historical climate changes and their impact on coastlines.

Conversation

Have you heard about the concept of eustacy?

Yeah, it relates to changes in sea levels, right?

Exactly! It's interesting how it affects coastal areas.

For sure, it really shows how dynamic our planet is.

Root Explanation

Eustacy → It is formed from "eu-" (meaning good or well) and "stasis" (from Greek "stasis", meaning standing or stability). The word refers to a state of good stability or equilibrium in sea levels.

Memory Tip

Think of 'eu-' meaning good and 'stasis' meaning standing — together they describe a good state of stability, which helps you remember that eustacy refers to a favorable condition of sea level.

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