SINCE 1828
dictionary
thesaurus

ruiniform

adjective
Save Word
ru·​in·​i·​form | \ ˈrüə̇nəˌfȯrm, ˈru̇ə̇-, rüˈin- \

Definition of ruiniform

: having the appearance of ruins —used of minerals

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!

First Known Use of ruiniform

1805, in the meaning defined above

History and Etymology for ruiniform

ruin entry 1 + -iform

Learn More About ruiniform

Time Traveler for ruiniform

Time Traveler

The first known use of ruiniform was in 1805

See more words from the same year

Dictionary Entries Near ruiniform

ruinator

ruiniform

ruin marble

See More Nearby Entries 

Statistics for ruiniform

Cite this Entry

“Ruiniform.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ruiniform. Accessed 29 Jun. 2022.

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

WORD OF THE DAY

duress

Listen to the pronunciation of duress

See Definitions and Examples »

Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
True or False

Test your knowledge - and maybe learn something along the way.

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!

Words at Play
Ask the Editors
Word Games