WDM

WDM may refer to:

Science and technology[edit]

Warm dark matter in cosmology
Warm dense matter, a state of matter between solid and plasma
Wavelength-division multiplexing, a signal transmission method
wdm, the WINGs Display Manager on Unix
Windows Driver Model, a framework for device drivers in Windows
Wide Diesel Mixed, a series of Indian locomotives

Other uses[edit]

West Des Moines, Iowa, United States, a city
Western Development Museum of Saskatchewan
World Development Movement, a British campaign for social justice
Waking Down in Mutuality, an American "spiritual awakening" association
Warith Deen Muhammad (Wallace D. Muhammad), a leader of the Nation of Islam
WDM (Washington, D.C.), an early 1920s radio station

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