: 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, oscillation, or …

After nearly 25 years, Wikipedia is still the internet we were promised—created by people, not by machines. It's not perfect, but it's not here to push a point of view. It's owned by a nonprofit, not a …

When I was in my early teens I went through a phase of only ever wearing black. The phases of the moon are the regular changes in its shape as it appears to us on earth.

A phase is a particular stage in a process or in the gradual development of something. The crisis is entering a crucial, critical phase. If an action or change is phased over a period of time, it is done in …

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 process, such as …

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.

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

Nov 28, 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) A …

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 motion, …

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