scoria

[skawr-ee-uh, skohr-]
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noun, plural sco·ri·ae [skawr-ee-ee, skohr-] /ˈskɔr iˌi, ˈskoʊr-/.

Metallurgy. the refuse, dross, or slag left after melting or smelting metal; scum.
Geology. a cinderlike basic cellular lava.

Nearby words

  1. scorekeeper,
  2. scoreless,
  3. scorepad,
  4. scorer,
  5. scoresby sound,
  6. scoriaceous,
  7. scoriae,
  8. scorification,
  9. scorify,
  10. scoring

Origin of scoria

1350–1400; Middle English < Latin scōria < Greek skōría, derivative of skôr dung

Related formssco·ri·a·ceous [skawr-ee-ey-shuh s, skohr-] /ˌskɔr iˈeɪ ʃəs, ˌskoʊr-/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for scoriae


British Dictionary definitions for scoriae

scoria

noun plural -riae (-rɪˌiː)

a rough cindery crust on top of solidified lava flows containing numerous vesicles
refuse obtained from smelted ore; slag
Derived Formsscoriaceous (ˌskɔːrɪˈeɪʃəs), adjective

Word Origin for scoria

C17: from Latin: dross, from Greek skōria, from skōr excrement

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for scoriae

scoria

[skôrē-ə]

Plural scoriae (skôrē-ē′)

Rough, crusty, solidified lava containing numerous vesicles that originated as gas bubbles in the lava while it was still molten.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.