Definition, Meaning & Synonyms
angstrom
noun
/ˈæŋ.strəm/
Definition
A unit of length equal to one ten-billionth of a meter (1 × 10⁻¹⁰ m), often used to measure very small distances such as atomic and molecular dimensions.
Examples
- The width of a hydrogen atom is about 0.5 angstroms.
- Wavelengths of visible light range from about 4000 to 7000 angstroms.
- Scientists often utilize angstroms when discussing the structure of proteins at a molecular level.
Meaning
The angstrom is commonly used in the fields of physics, chemistry, and astronomy to describe sizes on an atomic scale.
Synonyms
- none (specific to atomic-scale measurements)
