: the point or stage in a period of uniform circular motion, harmonic motion, or the periodic changes of any magnitude varying according to a simple harmonic law to which the rotation, …

Phase transition This diagram shows the nomenclature for the different phase transitions. In physics, chemistry and biology, a phase transition (or phase change) is the physical process of …

A phase is one of the forms in which matter can exist, such as solid, liquid, or a gas.

1. any distinct or characteristic period or stage in a sequence of events or chain of development: there were two phases to the resolution; his immaturity was a passing phase.

Phase definition: A distinct stage of development.

Dec 14, 2025 · (astronomy) A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form, or the absence, of a body's illuminated …

a stage in a process of change or development: Each phase of life brings its own joys. a side, aspect, or point of view: This is only one phase of the question.

PHASE definition: any of the major appearances or aspects in which a thing of varying modes or conditions manifests itself to the eye or mind. See examples of phase used in a sentence.

This page explains phase difference in sine waves, detailing how they can be in phase (0 degrees) or out of phase (180 degrees). The amplitude of the resulting wave is affected by this …

A phase of a substance is whether it is a solid, liquid, or gas, and its chemical composition at a particular time.