polycrystalline
Americanadjective
-
(of a rock or metal) composed of aggregates of individual crystals.
-
having or consisting of crystals that are variously oriented.
Etymology
Origin of polycrystalline
First recorded in 1920–25; poly- + crystalline
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To test whether diamond could behave differently under extreme mechanical conditions, the HKU team used a recently developed edge exfoliation method to produce an ultrathin, flexible polycrystalline diamond membrane.
From Science Daily ● Aug. 31, 2026
It also provides products for the telecommunications industry, optical materials for the semiconductor industry and the scientific community, and polycrystalline silicon products and other technologies.
From Barron's ● Apr. 16, 2026
As things got hotter, the eggshells underwent a complete transformation with the calcite shells dissolving and being replaced by polycrystalline kozoite.
From Science Daily ● Jun. 5, 2024
The project’s blueprint includes a smelter to make aluminum for electric vehicles and other factories to produce petrochemicals, batteries for EVs and polycrystalline materials used in solar panels.
From Seattle Times ● Sep. 13, 2023
In 2016, the Northwestern team discovered the source of the problem: an ultrathin skin of tin oxide was forming around individual grains of polycrystalline tin selenide before they were pressed into ingots.
From Science Magazine ● Aug. 2, 2021
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
