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unit cell
This term is a technical specification used primarily in crystallography, solid-state physics, and materials science. It describes the fundamental building block of a crystal, emphasizing the geometric arrangement of atoms or molecules. The term is used to simplify the description of a macroscopic crystal by focusing on a microscopic, representative volume.
In a professional scientific context, the term is almost always used in the singular when discussing the theoretical model of a specific material, but it becomes plural when comparing different types of crystal systems or analyzing multiple distinct structures within a complex sample.
Meanings
Examples
The teacher explained the unit cell during chemistry class.
I wonder if this unit cell is cubic or hexagonal.
The report details the unit cell parameters of the alloy.
Ancient minerals possess a unique unit cell arrangement.