Definition of "interferometry" [interferometry]

• The design and use of optical or radio interferometers (noun)

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• "Since the end of the 1970s, hologram interferometry is a standard measurement technology for deformation and vibration analysis"
• "Consequently, the team turned to a technique called interferometry, which involves combining the light coming from several telescopes to yield resolution equivalent to a telescope as large as the distance between them."
• "The other, TPF-I, relied on a technique called interferometry, where starlight is split into separate beams and recombined so that it annihilates itself, like two out-of-phase waves colliding in a pond to form a placid surface."