- Watson theorem
- Watson transform
- Watt curve
- Watt parallelogram
- wave
- wave equation
- wave-form space (= waveform space)
- wave-front set
- wave-front tracking
- wave front (= wavefront)
- wave function
- wave length
- wavelet
- wavelet analysis
- wavelet approximation
- wavelet basis
- wavelet group
- wavelet matrix
- wavelet packet
- wavelets
- wavelet theory
- wavelet transform
- wave mapping equation
- wave number
- wave number vector