A spiral defined in polar coordinates by the equation r2 = kθ. In the figure k = 1.
The parabolic spiral r2 = θ
nationalcurvebank.org An animation of a parabolic spiral.
- pharate
- Pharisees
- pharmacodynamics
- pharmacogenomics
- pharmacokinetics
- pharmacology
- pharming
- Pharsalus, Battle of (48 bc)
- pharynx
- phase
- phase angle
- phase angle(symbol: ϕ)
- phase boundary
- phase centre
- phase change
- phase-change coefficient
- phase-change inkjet printer
- phase constant
- phase-contrast microscope
- phase corrector
- phased array
- phase defect
- phase delay
- phase-detect autofocus system
- phase detector