D50, D-50 or D 50 may refer to:
* CIE Standard Illuminant
D50, a lighting standard used in colorimetry, and also in graphic design as a white point
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D50, in particle size distribution measurements, the mass-median-diameter, considered to be the average particle size by mass.
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D50 (radiotherapy)
D50 in medicine is the half-maximal dose: the dose that produces 50% of the maximum response. It may specifically refer to the radiation dose required to achieve a 50% tumor control probability.
See also
* , is the dose required to kill half ...
, the half maximal inhibitory dose, representing the dose of light or ionising radiation that is required for 50% inactivation of a tumor cell population
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D50 road (Croatia)
D50 state road, located mainly in Lika region of Croatia connecting cities and towns of Otočac, Gospić, Perušić and Gračac, to the state road network of Croatia, and most notably to A1 motorway at a number of interchanges - Otočac and ...
, a state route
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Dodge D50
The Mitsubishi Triton is a compact pickup truck produced by Mitsubishi Motors. In Japan, where it has only been sold intermittently and in small numbers, it was originally known as the Mitsubishi Forte and from 1991 as the Strada. In the Unite ...
, a compact pickup truck marketed by Chrysler and based on the Mitsubishi Triton
* the ICD-10 code for
iron deficiency anemia
Iron-deficiency anemia is anemia caused by a lack of iron. Anemia is defined as a decrease in the number of red blood cells or the amount of hemoglobin in the blood. When onset is slow, symptoms are often vague such as feeling tired, weak, shor ...
* An
intravenous sugar solution
Intravenous therapy (abbreviated as IV therapy) is a medical technique that administers fluids, medications and nutrients directly into a person's vein. The intravenous route of administration is commonly used for rehydration or to provide nutri ...
of 50% dextrose
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Invisible D50, a keyboard stand
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JNR Class D50, a pre-war Japanese steam locomotives class related to the D60 steam locomotive class
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Lancia D50
The Lancia D50 was a Formula One racing car designed by Vittorio Jano for Lancia in 1954. The car's design made use of many innovative features, such as the use of the engine as a stressed chassis member, the off-centre positioning of the engine ...
, a Formula One racing car driven by Juan Manuel Fangio to win the 1956 World Driver's Championship
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New South Wales D50 class locomotive
The D50 class is an old class of 2-8-0 steam locomotives built for the New South Wales Government Railways of Australia.
History
The first was delivered in May 1896 by Beyer, Peacock and Company with further orders over the next 20 years seeing ...
, a NSWGR steam locomotive
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Nikon D50, an entry-level digital SLR camera
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Roland D-50, a digital synthesizer
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D50 (film), working title for a Tamil-language film
{{Letter-Number Combination Disambiguation
de:CIE-Normvalenzsystem#Die Standardbeleuchtung