conchoidal

[ kong-koid-l ]

/ kɒŋˈkɔɪd l /

adjective Mineralogy.

noting a shell-like fracture form produced on certain minerals by a blow.

Origin of conchoidal

First recorded in 1660–70; conchoid + -al¹

OTHER WORDS FROM conchoidal

con·choi·dal·ly, adverbsub·con·choi·dal, adjective

Words nearby conchoidal

Conchita, conchitis, concho-, Conchobar, conchoid, conchoidal, conchology, Conchos, conchy, concierge, conciliar

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for conchoidal

There is an imperfect cleavage parallel to the basal pinacoid, and the fracture is conchoidal.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2|Various
Flint breaks with what is called a conchoidal fracture, as do many other substances, such as glass.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 4|Various
The paste is very fine 327 grained, and breaks with a conchoidal fracture.
Pottery of the ancient Pueblos. (1886 N 04 / 1882-1883 (pages 257-360))|William Henry Holmes
Bulb of Percussion—a bulb resulting from a conchoidal fracture of stone.
Handbook of Alabama Archaeology: Part I Point Types|James W. Cambron

The ware is nearly always well baked and hard, breaking with a saccharoidal, rarely with a conchoidal, fracture.
Pottery of the ancient Pueblos. (1886 N 04 / 1882-1883 (pages 257-360))|William Henry Holmes

British Dictionary definitions for conchoidal

conchoidal

/ (kɒŋˈkɔɪdəl) /

adjective

(of the fracture of minerals and rocks) having smooth shell-shaped convex and concave surfaces

(of minerals and rocks, such as flint) having such a fracture

Derived forms of conchoidal

conchoidally, adverb

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

Scientific definitions for conchoidal

conchoidal

[ kŏng-koid′l ]

Of or relating to a mineral or rock surface that is characterized by smooth, shell-like curves. Obsidian and quartz often have conchoidal fractures.

单词	conchoidal
释义	conchoidal [ kong-koid-l ] / kɒŋˈkɔɪd l / adjective Mineralogy. noting a shell-like fracture form produced on certain minerals by a blow. Origin of conchoidal First recorded in 1660–70; conchoid + -al¹ OTHER WORDS FROM conchoidal con·choi·dal·ly, adverbsub·con·choi·dal, adjective Words nearby conchoidal Conchita, conchitis, concho-, Conchobar, conchoid, conchoidal, conchology, Conchos, conchy, concierge, conciliar Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for conchoidal There is an imperfect cleavage parallel to the basal pinacoid, and the fracture is conchoidal. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2\|Various Flint breaks with what is called a conchoidal fracture, as do many other substances, such as glass. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 4\|Various The paste is very fine 327 grained, and breaks with a conchoidal fracture. Pottery of the ancient Pueblos. (1886 N 04 / 1882-1883 (pages 257-360))\|William Henry Holmes Bulb of Percussion—a bulb resulting from a conchoidal fracture of stone. Handbook of Alabama Archaeology: Part I Point Types\|James W. Cambron The ware is nearly always well baked and hard, breaking with a saccharoidal, rarely with a conchoidal, fracture. Pottery of the ancient Pueblos. (1886 N 04 / 1882-1883 (pages 257-360))\|William Henry Holmes British Dictionary definitions for conchoidal conchoidal / (kɒŋˈkɔɪdəl) / adjective (of the fracture of minerals and rocks) having smooth shell-shaped convex and concave surfaces (of minerals and rocks, such as flint) having such a fracture Derived forms of conchoidal conchoidally, adverb 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 Scientific definitions for conchoidal conchoidal [ kŏng-koid′l ] Of or relating to a mineral or rock surface that is characterized by smooth, shell-like curves. Obsidian and quartz often have conchoidal fractures. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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