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Gneiss - Meaning, Definition & English Examples

Gneiss is a type of metamorphic rock with distinct banding, formed from granite or similar rocks under high pressure and heat. It is commonly used in construction and decoration.

gneiss

/naɪs/ /naɪs/

Definition:

A coarse-grained metamorphic rock with alternating layers of minerals.

Synonyms:

schist, slate, quartzite, marble

Part of Speech:

noun

Antonyms:

igneous rock, sedimentary rock

Common Collocations:

gneiss formation, gneiss outcrop, banded gneiss

Derivatives:

gneissic, gneissoid

Usage Tips:

Use "gneiss" to describe layered metamorphic rocks in geology or construction contexts.

Common Phrases:

old as gneiss, banded like gneiss, gneiss texture

Etymology:

From German "Gneis," meaning spark or glitter, due to its shiny mineral layers.

Examples:

  • 1. The hiker found a piece of gneiss on the trail.
  • 2. Gneiss is often used as a decorative stone in buildings.
  • 3. The geologist studied the banded patterns in the gneiss sample.
  • 4. This countertop is made of polished gneiss for durability and beauty.

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