diffraction

Part of Speech

Noun

Pronunciation

IPA: /dɪˈfrækʃən/

Definitions

• The bending and spreading of waves, such as light or sound, when they encounter an obstacle or pass through a narrow opening.
• A phenomenon observed in physics where wave interference occurs as waves encounter obstacles.

Usage Examples

• "The diffraction of light through a small slit creates an interference pattern."
• "Sound waves experience diffraction when passing through a doorway into another room."

Etymology

From Latin "diffractus," past participle of "diffringere" (to break apart), from "dis-" (apart) + "frangere" (to break). The term was first used in the context of optics and wave physics in the 17th century.

Synonyms

scattering, dispersion, wave bending

Antonyms

reflection, absorption, refraction

Translations

Regional Pronunciation Variations

In American English, "diffraction" is pronounced with a clear "r" sound, while in British English, the second syllable may sound slightly softer.

Historical Usage

The study of diffraction dates back to the 17th century when Francesco Maria Grimaldi first used the term to describe the behavior of light waves.

Cultural Nuances

Diffraction is a fundamental concept in physics and engineering, particularly in optics, acoustics, and quantum mechanics.

More Information

This article explores the role of diffraction in wave physics, its applications in technology, and its importance in scientific research, including X-ray crystallography and optical instrument design.