Phase and faze are homophones (words pronounced alike but different in meaning, derivation, or spelling) that may easily be confused. Despite the similarity in pronunciation, these words bear little …

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.

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

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

Jan 20, 2026 · (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 disk. Illustrated …

phase out, to bring or come to an end gradually; ease out of service: [~ + out + object] The military phased out those older weapons. [~ + object + out] We don't dare phase them all out at once.

Phase definition: A distinct stage of development.

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.

Factsheet What does the noun phase mean? There are seven meanings listed in OED's entry for the noun phase. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

From Longman Business Dictionary phase1 /feɪz/ noun [countable] 1 a part of a process of development or growth The company is conducting phase 1 and phase 2 clinical trials with the drug.