the first of four phases of the cell cycle that takes place in eukaryotic cell division

(organic chemistry) The compound (3,4-dihydroxyphenyl)prop-2-enoyloxybutanedioic acid found in some beans

(mathematics) Angular component of a polar coordinate representation. / (astronomy) Angle between incident light and reflected light.

(biochemistry, immunology) Any of a class of proteins whose plasma concentrations change in response to inflammation, such as C-reactive protein.

plural of acute-phase protein

Synonym of state of matter

(radio astronomy) A system that injects a frequency comb signal in order to disambiguate phase in multiple basebands downconverted from the input signal.

(rare) Absence of phases.

plural of phase modulation

(mathematics) A principle of asymptotic analysis that relies on the cancellation of sinusoids with rapidly varying phase.