underclay

under·clay

a bed of clay lying immediately beneath a coal seam, often used as a fireclay

Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Link/Cite

Link to this page

Cite this page

MLA Style

"underclay." YourDictionary, n.d. Web. 19 December 2018. <https://www.yourdictionary.com/underclay>.

APA Style

underclay. (n.d.). Retrieved December 19th, 2018, from https://www.yourdictionary.com/underclay

Noun

(plural underclays)

(geology) A stratum of clay lying beneath a coal bed.

Origin

under- +"Ž clay

English Wiktionary. Available under CC-BY-SA license.

Link/Cite

Link to this page

Cite this page

MLA Style

"underclay." YourDictionary, n.d. Web. 19 December 2018. <https://www.yourdictionary.com/underclay>.

APA Style

underclay. (n.d.). Retrieved December 19th, 2018, from https://www.yourdictionary.com/underclay

SentencesSentence examples

Sentence Examples

In the Coal Measures they commonly occur in the underclay beneath the coal-seams. Complete specimens of the stumps show that from the base of the aerial stem four Stigmarian branches were given off, which took a horizontal or obliquely descending course, forking at least twice.

Also Mentioned In

underclays

thill

WORDS NEAR underclay IN THE DICTIONARY