polycrystalline
adjective
poly·crys·tal·line
ˌpä-lē-ˈkri-stə-lən 
1
: consisting of crystals variously oriented
2
: composed of more than one crystal
Examples of polycrystalline in a Sentence
Recent Examples on the Web
In that scheme, nanometers-thick layers of polycrystalline diamond would be integrated within the dielectric layers above the transistors to spread heat.
—
IEEE Spectrum, 20 Oct. 2025
Usually in polycrystalline diamond layers, the crystals are oriented vertically and not so good at moving heat horizontally, which is the major requirement in chips, because chips are flat and wide.
—Amos Zeeberg, New York Times, 8 Oct. 2025
There are currently three main types of panels in today’s market which includes monocrystalline, polycrystalline and thin film panels.
—Dianne Plummer, Forbes.com, 22 Aug. 2025
Polysilicon, or polycrystalline silicon, is an ultra-pure silicon that forms the base of over 90 percent of the world’s solar panels.
—Jijo Malayil, Interesting Engineering, 12 Aug. 2025
This is often called polycrystalline silicon, in contrast to the monocrystalline (single crystals) wafers that semiconductors are made on.
—Willy Shih, Forbes, 13 Oct. 2024
The polycrystalline top and plastic stake are waterproof and heat resistant to hold up to rain, frost, heat, and more weather conditions.
—Lauren Taylor, Southern Living, 13 May 2024
The Carrera Plasma Diamant D’Avant-Garde, a chronograph with a tourbillon, is loaded with 124 diamonds that are recessed into the case, bezel, and bracelet in multiple geometries, as well as forming the winding crown, indexes, and the polycrystalline diamond slab that is the dial.
—WIRED, 29 Mar. 2023
Monocrystalline panels use a single silicon crystal to capture solar energy, while polycrystalline panels rely on multiple silicon crystal fragments.
—Danny Perez, Popular Mechanics, 24 Mar. 2023
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
IEEE Spectrum, 20 Oct. 2025
Usually in polycrystalline diamond layers, the crystals are oriented vertically and not so good at moving heat horizontally, which is the major requirement in chips, because chips are flat and wide.
—Amos Zeeberg, New York Times, 8 Oct. 2025
There are currently three main types of panels in today’s market which includes monocrystalline, polycrystalline and thin film panels.
—Dianne Plummer, Forbes.com, 22 Aug. 2025
Polysilicon, or polycrystalline silicon, is an ultra-pure silicon that forms the base of over 90 percent of the world’s solar panels.
—Jijo Malayil, Interesting Engineering, 12 Aug. 2025
This is often called polycrystalline silicon, in contrast to the monocrystalline (single crystals) wafers that semiconductors are made on.
—Willy Shih, Forbes, 13 Oct. 2024
The polycrystalline top and plastic stake are waterproof and heat resistant to hold up to rain, frost, heat, and more weather conditions.
—Lauren Taylor, Southern Living, 13 May 2024
The Carrera Plasma Diamant D’Avant-Garde, a chronograph with a tourbillon, is loaded with 124 diamonds that are recessed into the case, bezel, and bracelet in multiple geometries, as well as forming the winding crown, indexes, and the polycrystalline diamond slab that is the dial.
—WIRED, 29 Mar. 2023
Monocrystalline panels use a single silicon crystal to capture solar energy, while polycrystalline panels rely on multiple silicon crystal fragments.
—Danny Perez, Popular Mechanics, 24 Mar. 2023
Cite this Entry
“Polycrystalline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polycrystalline. Accessed 31 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share