QR

Topics referred to by the same term

2 min read

Why this is trending

Interest in “QR” spiked on Wikipedia on 2026-02-26.

Categorised under Science & Nature, this article fits a familiar pattern. Interest in science articles on Wikipedia often follows major discoveries, published studies, or tech industry news.

At GlyphSignal we surface these trending signals every day—transforming Wikipedia’s vast pageview data into actionable insights about global curiosity.

2026-01-28Peak: 322026-02-26

30-day total: 531

QR may refer to:

Arts and entertainment

Nippon Cultural Broadcasting (from call sign JOQR), a Tokyo radio station
Queen's Radio, a student radio station at Queen's University, Belfast
Quiet Riot, an American rock band

Businesses

Qatar Airways (IATA code)
Queensland Rail, a company responsible for the railway system in Queensland, Australia
Quintana Roo (company), a triathlon-specific wetsuit and bicycle company

Places

Quintana Roo, a state of Mexico
Karakalpakstan (Qoraqalpog'iston Respublikasi), Uzbekistan (ISO 3166-2 subcode UZ-QR)

Science and technology

QR code (Quick Response code), a two-dimensional code
ATCvet code QR Respiratory system, a section of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products
DICOM Q/R, DICOM Query / Retrieve
Nissan QR engine
Quarter (unit)

- qr., Quarter (unit) § Length, 1⁄4 of a yard, equal to 9 inches
- qr. av., Quarter (unit) § Weight, 1⁄4 of a hundredweight, equal to 2 stone or 28 pounds avoirdupois

Mathematics

QR decomposition, a decomposition of a matrix
- QR algorithm, an eigenvalue algorithm to perform QR decomposition
Quadratic reciprocity, a theorem from modular arithmetic
Quasireversibility, a property of some queues
Reaction quotient (Q_r), a function of the activities or concentrations of the chemical species involved in a chemical reaction