WDM may refer to:

Science and technology

Warm dark matter Warm dark matter (WDM) is a hypothesized form of dark matter that has properties intermediate between those of hot dark matter and cold dark matter, causing structure formation to occur bottom-up from above their free-streaming scale, and top-down ...

in cosmology *

Warm dense matter Warm dense matter, abbreviated WDM, can refer to either equilibrium or non-equilibrium states of matter in a (loosely defined) regime of temperature and density between condensed matter and hot plasma. It can be defined as the state that is too d ...

, a state of matter between solid and plasma *

Wavelength-division multiplexing In fiber-optic communications, wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i.e., colors) of laser light. This techn ...

, a signal transmission method * ''wdm'', the

WINGs Display Manager GNUstep is a free software implementation of the Cocoa (formerly OpenStep) Objective-C frameworks, widget toolkit, and application development tools for Unix-like operating systems and Microsoft Windows. It is part of the GNU Project. GNUste ...

on Unix *

Windows Driver Model In computing, the Windows Driver Model (WDM) also known at one point as the Win32 Driver Model is a framework for device drivers that was introduced with Windows 98 and Windows 2000 to replace VxD, which was used on older versions of Windows su ...

, a framework for device drivers in Windows * Wide Diesel Mixed, a series of Indian locomotives

Other uses

West Des Moines, Iowa West Des Moines is a city in Iowa, United States. Most of the city is in Polk County, Iowa, Polk County, some of it is in Dallas County, Iowa, Dallas County, and small portions extend into Warren County, Iowa, Warren and Madison County, Iowa, Madi ...

, United States, a city *

Western Development Museum The Western Development Museum is a network of four museums in Saskatchewan, Canada preserving and recording the social and economic development of the province. The museum has branches in Moose Jaw, North Battleford, Saskatoon and Yorkton. Respec ...

of Saskatchewan *

World Development Movement Global Justice Now, formerly known as the World Development Movement (WDM), is a membership organisation based in the United Kingdom which campaigns on issues of global justice and development in the Global South. The organisation produces res ...

, a British campaign for social justice *

Waking Down in Mutuality Waking Down in Mutuality (also known as WDM, Waking Down) and Trillium Awakening, are a set of spiritual teachings and a community that seek to support the integration of spiritual awakening into ordinary human life. Waking Down and Waking Down in ...

, an American "spiritual awakening" association *

Warith Deen Muhammad Warith Deen Mohammed (born Wallace D. Muhammad; October 30, 1933 – September 9, 2008) was an African-American Muslim leader, theologian, philosopher, Muslim revivalist, and Islamic thinker. He was a son of Elijah Muhammad, the leader of th ...

(Wallace D. Muhammad), a leader of the Nation of Islam * WDM (Washington, D.C.), an early 1920s radio station {{disambiguation he:ריבוב#WDM