Definition of Gneiss

1. Noun. A laminated metamorphic rock similar to granite.

Generic synonyms: Metamorphic Rock

Definition of Gneiss

1. n. A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and it is then called hornblendic or syenitic gneiss. Similar varieties of related rocks are also called gneiss.

Definition of Gneiss

1. Noun. (geology) A common and widely-distributed metamorphic rock having bands or veins, but not schistose. ¹

¹ Source: wiktionary.com

Definition of Gneiss

1. a type of rock [n -ES] : GNEISSIC [adj]

Medical Definition of Gneiss

1. A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and it is then called hornblendic or syenitic gneiss. Similar varieties of related rocks are also called gneiss. Origin: G. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Gneiss

gnatworms
gnaw at
gnaw someone's vitals
gnawable
gnawed
gnawer
gnawers
gnawing
gnawing animal
gnawing mammal
gnawingly
gnawings
gnawn
gnaws
gneiss (current term)
gneisses
gneissic
gneissoid
gneissoids
gneissose
gnetum
gnide
gnit
gnocchi
gnocchis
gnod
gnof
gnoff
gnoll

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