noncrystalline
Definition
- Adjective:
- Not having a crystalline structure; lacking the regular, ordered arrangement of atoms or molecules characteristic of crystals: Describes a solid material whose constituent particles are not arranged in a repeating, long-range pattern. This includes glasses, gels, and many amorphous solids.
Usage Examples
- Adjective:
- Glass is a classic example of a noncrystalline solid.
- The noncrystalline polymer had different optical properties than its crystalline counterpart.
- Many volcanic rocks contain a noncrystalline matrix.
Advanced Usage
- In materials science, the term is often used in contrast to "crystalline" or "polycrystalline."
- The study compared the mechanical strength of crystalline and noncrystalline forms of the alloy.
- It can describe the state of a substance that has solidified too rapidly for crystals to form.
- The rapidly cooled metal formed a noncrystalline metallic glass.
Variants and Related Words
- Amorphous (adj): A very close synonym, often used interchangeably with "noncrystalline" to describe solids lacking a defined crystalline shape or structure.
- The plastic was in an amorphous state.
- Crystalline (adj): The direct antonym, describing a solid with a definite and orderly geometric pattern.
- Quartz is a crystalline form of silica.
Synonyms
- Amorphous
- Uncrystalline
- Glassy (in specific contexts)
Antonyms
- Crystalline
- Crystallized
Adjective
-
not crystalline
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