Named after Jules Antoine Lissajous (1822–80), a Lissajous curve is a planar curve that can be parameterized as
The curve is closed if and only if ω1/ω2 is rational.
A Lissajous curve
In the figure A1 = ω2 = 2, A2 = ω1 = 3, ε = π/6.
- d.c.
- d.c.-coupled amplifier
- DCE
- d.c.-level restorer
- d.c. signalling
- dC-system
- pair
- pair annihilation
- pair distribution function
- paired cable
- paired comparisons
- paired metamorphic belts
- paired-sample test
- paired-sample tests(in statistics)
- pairing
- pair production
- pair-rule gene
- pairs plot
- pairwise
- pairwise disjoint
- pairwise independent
- Paisley, Ian (1926–2014)
- pakakota
- Pakistan
- PAL