flaser

noun

fla·​ser

ˈfläzə(r)

plural -s

: an irregular usually streaked lens of granular texture found in a micaceous interstitial mass of rock and produced by shearing and pressure during metamorphism

Word History

Etymology

German, vein in wood or rock, probably dialect modification of flader vein in wood, veined wood, maple tree, from Middle High German vlader vein in wood, veined wood; perhaps akin to Greek platys flat, broad

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!