Phenomena and Processes

Infrared Rays

That portion of the electromagnetic spectrum usually sensed as heat. Infrared wavelengths are longer than those of visible light, extending into the microwave frequencies. They are used therapeutically as heat, and also to warm food in restaurants.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

That portion of the electromagnetic spectrum usually sensed as heat. Infrared wavelengths are longer than those of visible light, extending into the microwave frequencies. They are used therapeutically as heat, and also to warm food in restaurants.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Synonyms

7 entry terms
  • Heat Waves
  • Heat Wave
  • Infrared Ray
  • Ray, Infrared
  • Rays, Infrared
  • Wave, Heat
  • Waves, Heat

MeSH Record

Aspects Covered

4 allowable subheadings

Indexed with the subheadings adverse effects, classification, history, therapeutic use.

MeSH Record

Indexing Annotation

non-ionizing; radiation policy: Manual 28.11+; black light goes here or under ULTRAVIOLET RAYS depending on text but unspecified index under ULTRAVIOLET RAYS

MeSH Hierarchy

Tree Numbers

  1. G01w.358.500.505w.650w.552w
  2. G01w.590w.540w.552w
  3. G01w.750w.250w.650w.552w
  4. G01w.750w.770w.578w.552w
  5. G16.500.275w.063w.725w.525w.400w
  6. G16.500.750.775w.525w.400w
  7. N06.230w.300.100w.725w.525w.400w

AMA Style

References

  1. National Library of Medicine. Infrared Rays. Medical Subject Headings (MeSH). 2026. Unique ID D007259. http://id.nlm.nih.gov/mesh/2026/D007259
  2. Infrared Rays. In: Wikipedia. https://en.wikipedia.org/wiki/Infrared
  3. Infrared Rays. In: Wikidata. https://www.wikidata.org/wiki/Q11388