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phases    音标拼音: [f'ezəz] [f'ezɪz]
n. 时期,局面,阶段
v. 逐步实行

时期,局面,阶段逐步实行

Phase \Phase\ (f[=a]z), n.; pl. {Phases} (f[=a]z"[e^]z). [NL.
phasis, Gr. fa`sis, fr. fai`nein to make to appear: cf. F.
phase. See {Phenomenon}, {Phantom}, and {Emphasis}.]
1. That which is exhibited to the eye; the appearance which
anything manifests, especially any one among different and
varying appearances of the same object.
[1913 Webster]

2. Any appearance or aspect of an object of mental
apprehension or view; as, the problem has many phases.
[1913 Webster]

3. (Astron.) A particular appearance or state in a regularly
recurring cycle of changes with respect to quantity of
illumination or form of enlightened disk; as, the phases
of the moon or planets. See Illust. under {Moon}.
[1913 Webster]

4. (Physics) Any one point or portion in a recurring series
of changes, as in the changes of motion of one of the
particles constituting a wave or vibration; one portion of
a series of such changes, in distinction from a contrasted
portion, as the portion on one side of a position of
equilibrium, in contrast with that on the opposite side.
[1913 Webster]

5. (Phys. Chem.) A homogenous, physically distinct portion of
matter in a system not homogeneous; as, the three phases,
ice, water, and aqueous vapor; in a mixture of gasoline
and water, the gasoline will settle as the upper phase. A
phase may be either a single chemical substance or a
mixture, as of gases.
[Webster 1913 Suppl.]

6. (Zool.) In certain birds and mammals, one of two or more
color variations characteristic of the species, but
independent of the ordinary seasonal and sexual
differences, and often also of age. Some of the herons
which appear in white and colored phases, and certain
squirrels which are sometimes uniformly blackish instead
of the usual coloration, furnish examples. Color phases
occur also in other animals, notably in butterflies.
[Webster 1913 Suppl.]

7. (Physics) the relation at any instant of any cyclically
varying physical quantity, such as voltage in an A.C.
circuit, an electromagnetic wave, a sound wave, or a
rotating object, to its initial value as expressed as a
fractional part of the complete cycle. It is usually
expressed in angular measure, the complete cycle being
360[deg]. Such periodic variations are generally well
represented by sine curves; and phase relations are shown
by the relative positions of the crests and hollows of
such curves. Magnitudes which have the same phase are said
to be in phase.

Note: The concept of phase is also applied generally to any
periodically varying phenomenon, as the cycle of
daylight. One person who sleeps during the day and
another who sleeps at night may be said to be out of
phase with each other.
[PJC]

8. Specifically: (Elec.) The relation at any instant of a
periodically varying electric magnitude, as electro-motive
force, a current, etc., to its initial value as expressed
in factorial parts of the complete cycle. It is usually
expressed in angular measure, the cycle being four right
angles, or 360[deg].
[Webster 1913 Suppl.]


Phasis \Pha"sis\, n.; pl. {Phases}. [NL.]
See {Phase}. --Creech.
[1913 Webster] Phasm


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  • PHASE Definition Meaning - Merriam-Webster
    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 semantic resemblance to one another
  • PHASE | English meaning - Cambridge Dictionary
    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
  • Nonprofit Organization | Phases Family Support | Minnesota
    Phases Family Support is a Minnesota nonprofit organization that provides support to local individuals and families who are experiencing unforeseen financial hardship
  • Phase (matter) - Wikipedia
    The term phase is sometimes used as a synonym for state of matter, but there can be several immiscible phases of the same state of matter (as where oil and water separate into distinct phases, both in the liquid state)
  • Moon Phases 2025 – Lunar Calendar for San Jose, California, USA
    The Moon phase calculator shows exact times of the various moon phases for San Jose, California, USA in year 2025 or in other locations and years
  • Moon Phases and Lunar Calendar for Places in California
    With our 2025 Moon Phase Calendar, you'll find the current Moon phase for tonight—plus, all the phases of the Moon for each day of the month
  • PHASE Definition Meaning | Dictionary. com
    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, has proceeded through its cycle, measured in degrees or radians
  • PHASE definition and meaning | Collins English Dictionary
    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 stages He wants military commanders to plan a phased withdrawal starting at the end of the year [VERB-ed] 3
  • Phases - definition of phases by The Free Dictionary
    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
  • PHASE | definition in the Cambridge English Dictionary
    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





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