Definition of pluton
: a typically large body of intrusive igneous rock
Read the Latest from M-W
Origin and Etymology of pluton
probably back-formation from plutonic
First Known Use: 1934
Learn More about pluton
-
See words that rhyme with pluton Britannica.com: Encyclopedia article about pluton
Seen and Heard
What made you want to look up pluton? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!