: 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, …

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 lunar phase or Moon phase is the apparent shape of the Moon 's day and night phases of the lunar day as viewed from afar. Because the Moon is tidally locked to Earth, the cycle of …

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 …

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.

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 …

Nov 5, 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) …

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.

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 …