|invertebrate phylum with characteristic stinging structures|
|phylum comprised of mollusks|
|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|
|2.||astronomy one of the recurring shapes of the portion of the moon or an inferior planet illuminated by the sun: the new moon, first quarter, full moon, and last quarter are the four principal phases of the moon|
|a. the fraction of a cycle of a periodic quantity that has been completed at a specific reference time, expressed as an angle|
|b. (as modifier): a phase shift|
|4.||physics a particular stage in a periodic process or phenomenon|
|5.||in phase (of two waveforms) reaching corresponding phases at the same time|
|6.||out of phase (of two waveforms) not in phase|
|7.||chem a distinct state of matter characterized by homogeneous composition and properties and the possession of a clearly defined boundary|
|8.||zoology a variation in the normal form of an animal, esp a colour variation, brought about by seasonal or geographical change|
|9.||(usually in combination) biology a stage in mitosis or meiosis: prophase; metaphase|
|10.||electrical engineering See also polyphase one of the circuits in a system in which there are two or more alternating voltages displaced by equal amounts in phase (sense 5)|
|11.||(in systemic grammar) the type of correspondence that exists between the predicators in a clause that has two or more predicators; for example connection by to, as in I managed to do it, or -ing, as in we heard him singing|
|12.||(often passive) to execute, arrange, or introduce gradually or in stages: a phased withdrawal|
|14.||chiefly (US) to arrange (processes, goods, etc) to be supplied or executed when required|
|[C19: from New Latin phases, pl of phasis, from Greek: aspect; related to Greek phainein to show]|
A characteristic form, appearance, or stage of development that occurs in a cycle or that distinguishes some individuals of a group.
A discrete homogeneous part of a material system that is mechanically separable from the rest, as is ice from water.
Any of the forms or states, solid, liquid, gas, or plasma, in which matter can exist, depending on temperature and pressure.
A particular stage in a periodic process or phenomenon such as a wave form or time pattern.
|phase (fāz) Pronunciation Key