THD may refer to:
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Doctor of Theology
Doctor of Theology (, abbreviated DTh, ThD, DTheol, or Dr. theol.) is a terminal degree in the academic discipline of theology. The ThD, like the ecclesiastical Doctor of Sacred Theology, is an advanced research degree equivalent to the Doctor o ...
(Th.D. or D.Th. or D.Theol.)
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Thai Smile
THAI Smile Airways was a Thai regional airline and a wholly owned subsidiary of Thai Airways International headquartered in Bangkok. It merged into Thai Airways International on 31 December 2023. The full cessation of operations was fully effe ...
(ICAO code)
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Thames Ditton railway station
Thames Ditton railway station serves Thames Ditton in the Borough of Elmbridge, Elmbridge district of Surrey, England. It is the only intermediate station on the Hampton Court Branch Line, Hampton Court branch line, down the line from .
It is ...
, Surrey, England (National Rail station code)
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That Handsome Devil
That Handsome Devil, often shortened to THD, is an American rock band from Brooklyn, New York, by way of Boston, Massachusetts.
The band mixes genres such as rock, funk, jazz, jive, blues, surf, rhythm and blues, reggae, rockabilly, rap, a ...
, an American alternative rock band
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THD Electronics
THD Electronics, Ltd. is a manufacturer of amplifier accessories, and a former manufacturer of vacuum-tube guitar amplifiers. It is located in Seattle, Washington. It was founded in 1986 by President and CEO Andrew Marshall. At one time specializ ...
, a guitar amplifier manufacturer
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Tho Xuan Airport
Thọ Xuân Airport — also known as Thanh Hoá Air Base or Bái Thượng Air Base, formerly Sao Vàng Airport () — is an airport located in Sao Vàng town in Thọ Xuân District, Thanh Hóa Province, 45 km northwest of the provincia ...
(IATA code)
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Total harmonic distortion
The total harmonic distortion (THD or THDi) is a measurement of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency. Distortion facto ...
, a measure of the distortion of an audio signal
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Total Hi Def Total Hi Def Disc, also called Total HD or THD, was a planned optical disc format that included both of the rival high-definition optical disc formats, Blu-ray Disc and HD DVD. It was officially announced January 8, 2007 at the Warner Bros. press c ...
(Total HD), an optical disc format
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Transanal hemorrhoidal dearterialization, a surgical procedure
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