WDM may refer to:
== Science and technology == 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
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).