: having the form of or characterized by a rock structure composed of a glass-free felted mesh of slender plagioclase strips between which are enclosed the other constituent minerals in minute grains and commonly observed in finely crystallized andesites and basalts

Word History


International Scientific Vocabulary pil- + taxis + -itic

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!

Dictionary Entries Near pilotaxitic

Cite this Entry

“Pilotaxitic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pilotaxitic. Accessed 24 Apr. 2024.

Love words? Need even more definitions?

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