RY

Source: Wikipedia, the free encyclopedia.

Ry is an abbreviation for

railway and relay
.

Ry, RY, or ry may also refer to:

People

First name

Surname

Places

Denmark

France

Science and technology

  • Rydberg constant, unit of energy used in quantum physics related to the ground state energy of the hydrogen atom
  • Consolidated RY
    , former cargo aircraft of the U.S. Navy
  • RY Sagittarii, star in the constellation Sagittarius
  • RY Tauri, star in the constellation Taurus
  • RY (test signal), character string used to test five-level teleprinter channels

Business and finance

Other

See also

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