T-ray

Meaning

Noun

  • Electromagnetic waves with frequencies intermediate between, and sharing properties of both, short radio waves and long IR optical waves. This region is defined variously as between 0.1 - 10 THz, 0.3-3 THz or 0.3-30 THz.

Origin

  • T + ray, modeled after X-ray, coined in Bell Labs in the 1990s.

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