Definition

Relating to a type of rock that is formed from magma at a moderate depth beneath the Earth's surface, typically having a fine texture.

Example

The geologist studied the hypabyssal rock formations to understand their formation process.

Conversation

Have you ever heard of hypabyssal rocks?

No, I haven't. What are they like?

They're fine-grained rocks formed a bit below the surface.

That sounds interesting! I’d love to learn more about geology.

Synonyms & Antonyms

Root Explanation

Hypabyssal → It is formed from "hypo-" (meaning under or below) and "abyssus" (from Greek, meaning abyss or bottomless pit). The term describes rocks that form at a depth below the surface but above the depths of the abyss, indicating their position in the geological context.

Memory Tip

Think of 'hypo-' meaning 'under' and 'abyss' referring to a deep or bottomless area — this helps you remember that 'hypabyssal' refers to something that forms just below the surface, but not in the deepest parts.

Visually Confused Words