PHASE definition: 1. any stage in a series of events or in a process of development: 2. a period of strange or…. Learn more.

: 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, …

The Moon has eight phases in a lunar month: four primary and four intermediate phases. A Moon cycle, or a lunation, is the time the Moon travels through its lunar phases.

States of matter such as solid and liquid are examples of phases, as are different crystal lattice structures in metals such as iron. A measure of how far some cyclic behavior, such as wave …

Look up Phase, phase, or phases in Wiktionary, the free dictionary.

14 meanings: 1. any distinct or characteristic period or stage in a sequence of events or chain of development 2. astronomy one.... Click for more definitions.

A phase is a particular period of time, like someone whose "teenage rebellion" phase lasts well into her thirties. The word phase can mean a stage in a person’s development or a step in a …

Oct 16, 2025 · From New Latin phasis, from Ancient Greek φάσις (phásis, “an appearance”), from φαίνω (phaínō, “to cause to appear”); compare phantasm and see face. phase (plural phases) …

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

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