pyrognomic

adjective
py·​ro·​gno·​mic | \¦pīrə¦nōmik, -rəg¦n-, -näm-\

Definition of pyrognomic 

: readily becoming incandescent when heated due to rapid exothermic recrystallization used of metamict minerals (as gadolinite)

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!

History and Etymology for pyrognomic

pyr- + Greek gnōmon knower, discerner, index + English -ic

Keep scrolling for more

Learn More about pyrognomic

Share pyrognomic

Statistics for pyrognomic

Look-up Popularity

Comments on pyrognomic

What made you want to look up pyrognomic? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a knickknack or trinket

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

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!