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Related to phasic: FASIC


1. A distinct stage of development: "The American occupation of Japan fell into three successive phases" (Edwin O. Reischauer).
2. A temporary manner, attitude, or pattern of behavior: just a passing phase.
3. An aspect; a part: We must reconsider every phase of the operation.
4. Astronomy
a. One of the cyclically recurring apparent shapes of the visibly illuminated portion of the moon or a planet.
b. The relative configuration, measured in angular units such as degrees or radians, of two orbiting bodies that periodically eclipse.
5. Physics
a. A particular stage in a periodic process or phenomenon.
b. The fraction of a complete cycle elapsed as measured from a specified reference point and often expressed as an angle.
6. Chemistry
a. Any of the forms or states, solid, liquid, gas, or plasma, in which matter can exist, depending on temperature and pressure.
b. A discrete homogeneous part of a material system that is mechanically separable from the rest, as is ice from water.
7. Biology A characteristic form, appearance, or stage of development that occurs in a cycle or that distinguishes some individuals of a group: the white color phase of a weasel; the swarming phase of locusts.
tr.v. phased, phas·ing, phas·es
1. To plan or carry out systematically by phases.
2. To set or regulate so as to be synchronized.
Phrasal Verbs:
phase in
To introduce, one stage at a time.
phase out
To bring or come to an end, one stage at a time.
in phase
In a correlated or synchronized way.
out of phase
In an unsynchronized or uncorrelated way.

[Back-formation from New Latin phasēs, phases of the moon, from Greek phaseis, pl. of phasis, appearance, from phainein, to show; see bhā- in Indo-European roots.]

pha′sic (fā′zĭk) adj.


a. fásico-a, rel. a una fase.
References in periodicals archive ?
Irritability leading to extreme verbal outbursts or physical violence is characterized as the "externalizing" or "phasic" form, Dr.
On the contrary, phasic muscles are mainly composed of glycolytic fibers with low mitochondrial content and predominant expression of MHCIIb or MHCIIx proteins.
Daman began its phasic approach to cease card printing from last year, starting with Thiqa members.
A decrease of the slow waves in non-rapid eye movement (NREM) in patients with N-methyl-D-aspartate receptor associated limbic encephalitis (NMDAR-LE) (8) and presence of phasic electromyography activity during REM periods with insufficient REM sleep in patients with VGKC-LE (9) reduced total sleep time with frequent awakenings as a sign of decreased sleep efficiency (2, 10), and brief sleep fragments consisting of theta activity interspersed with faster rhythms were reported (2, 10).
The tonic chin EMG activity (tonic density) and the phasic chin EMG density activity (phasic density) were calculated according to a previously published method [24] and AASM criteria.
During this process, tonic and phasic outcomes are collected and analyzed (Fowles, 2008).
These phasic spikes in pressure looks like peristalsis instead of detrusor contractions.
The fundus is responsible for gastric accommodation and the sustained contractions that move ingested food into the corpus and antrum where strong phasic contractions underlie the peristaltic digestive activity of the stomach [2].
During periods of focused attention, a phasic mode of operation dominates such that LC responds to salient stimuli with high-frequency bursts of action potentials that facilitate orientation and sustained attention towards behaviorally relevant stimuli [74].
The phasic change in the solidification rate of the slurry can be represented by the slope of the time-penetration resistance curves.
Scallops swim via water jets produced by rapid contractions of the phasic adductor muscle and move with their ventral edge leading, seeming "to take a series of bites out of the water" (Dakin 1909 as cited by Yonge 1936).