: 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.

Nov 5, 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 …

Definition of phase noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Synonyms for PHASE: aspect, side, hand, angle, part, period, facet, stage; Antonyms of PHASE: misadjust

State of matter, or phase, one of the distinct forms in which matter can exist Phase (matter), a region of space throughout which all physical properties are essentially uniform

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Phase definition: A distinct stage of development.