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Pronunciation varies by accent · adjective
Composed of an aggregate of very small crystals in random orientations.
This was revealed only in the experiments of ion bombardment of single crystals, because a polycrystalline material, even though its microcrystallites have a regular structure, in fact behaves like a nonarranged, random system.
Use polycrystalline when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Polycrystalline means Composed of an aggregate of very small crystals in random orientations.
Common synonyms include crystalline.
The opposite depends on the specific sense.
This was revealed only in the experiments of ion bombardment of single crystals, because a polycrystalline material, even though its microcrystallites have a regular structure, in fact behaves like a nonarranged, random system.
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