allotriomorphic

adjective
al·​lot·​ri·​o·​mor·​phic | \ ə¦lä‧trēə¦mȯrfik \

Definition of allotriomorphic

: marked by a form different from the normal or expected because of development in special circumstances used especially of mineral grains of igneous rocks whose mutual growths have prevented the assumption of outward crystal form contrasted with idiomorphic

First Known Use of allotriomorphic

1887, in the meaning defined above

History and Etymology for allotriomorphic

Greek allotrio- + English -morphic

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More About allotriomorphic

Time Traveler for allotriomorphic

Time Traveler

The first known use of allotriomorphic was in 1887

See more words from the same year

Dictionary Entries Near allotriomorphic

Allotriognathi

allotriomorphic

allotriophagy

See More Nearby Entries 

Statistics for allotriomorphic

Cite this Entry

“Allotriomorphic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allotriomorphic. Accessed 1 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!