The meaning of PLUTONIC is formed by solidification of magma deep within the earth and crystalline throughout. How to use plutonic in a sentence.

Plutonic definition: noting or pertaining to a class of igneous rocks that have solidified far below the earth's surface.. See examples of PLUTONIC used in a sentence.

Apr 30, 2025 · There are about a dozen major plutonic rock types, including gabbro, diorite, granite, and pegmatite. Plutonic rocks are a type of igneous rock that forms when magma …

Definition of 'plutonic' plutonic in British English (pluːˈtɒnɪk ) adjective (of igneous rocks) derived from magma that has cooled and solidified below the surface of the earth

There are three meanings listed in OED's entry for the word Plutonic. See ‘Meaning & use’ for definitions, usage, and quotation evidence. OED's earliest evidence for Plutonic is from 1596, …

Oct 31, 2025 · A plutonic rock may be classified mineralogically based on the actual proportion of the various minerals of which it is composed (called the mode).

Plutonic definition: Of deep igneous or magmatic origin.

Define plutonic. plutonic synonyms, plutonic pronunciation, plutonic translation, English dictionary definition of plutonic. adj. Of deep igneous or magmatic origin: plutonic rocks.

Plutonic rocks are igneous rocks that form deep underground when magma cools and solidifies within the Earth's crust. Magma is hot, molten rock that originates deep within the mantle. As it …

Plutons or plutonic bodies are masses of intrusive igneous rock that have solidified underground, as opposed to volcanic (extrusive) rocks that solidify only after erupting onto the surface.