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cyclical    音标拼音: [s'ɑɪklɪkəl] [s'ɪklɪkəl]
a. 周期的;轮转的;循环的

周期的;轮转的;循环的

cyclical
adj 1: recurring in cycles [synonym: {cyclic}, {cyclical}] [ant:
{noncyclic}, {noncyclical}]

Cyclic \Cyc"lic\ (s?k"l?k or s?"kl?k), Cyclical \Cyc"lic*al\
(s?k"l?-kal), a. [Cf. F. cycluque, Gr. kykliko`s, fr. ky`klos
See {Cycle}.]
1. Of or pertaining to a cycle or circle; moving in cycles;
as, cyclical time. --Coleridge.
[1913 Webster]

2. (Chemistry) Having atoms bonded to form a ring structure.
Opposite of {acyclic}.

Note: Used most commonly in respect to organic compounds.

Note: [Narrower terms: {bicyclic}; {heterocyclic};
{homocyclic, isocyclic}]

Syn: closed-chain, closed-ring.
[WordNet 1.5]

3. Recurring in cycles[2]; having a pattern that repeats at
approximately equal intervals; periodic. Opposite of
{noncyclic}.

Note: [Narrower terms: {alternate(prenominal),
alternating(prenominal)}; {alternate(prenominal), every
other(prenominal), every second(prenominal)};
{alternating(prenominal), oscillating(prenominal)};
{biyearly}; {circadian exhibiting 24-hour
periodicity)}; {circular}; {daily, diurnal};
{fortnightly, biweekly}; {hourly}; {midweek,
midweekly}; {seasonal}; {semestral, semestrial};
{semiannual, biannual, biyearly}; {semiweekly,
biweekly}; {weekly}; {annual, yearly}; {biennial};
{bimonthly, bimestrial}; {half-hourly}; {half-yearly};
{monthly}; {tertian, alternate(prenominal)};
{triennial}]
[WordNet 1.5]

4. Marked by repeated cycles[2].
[WordNet 1.5]

{Cyclic chorus}, the chorus which performed the songs and
dances of the dithyrambic odes at Athens, dancing round
the altar of Bacchus in a circle.

{Cyclic poets}, certain epic poets who followed Homer, and
wrote merely on the Trojan war and its heroes; -- so
called because keeping within the circle of a single
subject. Also, any series or coterie of poets writing on
one subject. --Milman.
[1913 Webster]

115 Moby Thesaurus words for "cyclical":
alternate, annular, annulate, annulose, articulated, atomatic,
atomic, atomiferous, atomistic, beating, catenated, ceaseless,
circinate, circling, circular, concatenated, connected, constant,
continual, continued, continuing, continuous, coronary, crownlike,
cyclic, cycloid, diatomic, dibasic, direct, discoid, disklike,
endless, epochal, even, ever-recurring, every other, featureless,
frequent, gapless, haunting, heteroatomic, heterocyclic, hexatomic,
homocyclic, immediate, incessant, interminable, intermittent,
isobaric, isochronal, isocyclic, isoteric, isotopic, joined,
jointless, linked, measured, metronomic, monatomic, monotonous,
never-ending, nonstop, oscillatory, pentatomic, perennial,
periodic, periodical, pulsing, reappearing, reciprocal, recurrent,
recurring, repetitive, returning, revenant, rhythmic, ring-shaped,
ringlike, rotary, round, round-the-clock, rounded, running,
seamless, seasonal, serial, serried, smooth, stable, steady,
straight, subatomic, tetratomic, thematic, thick-coming, triatomic,
tribasic, twenty-four-hour, ubiquitous, unbroken, unceasing,
undifferentiated, undulant, undulatory, unending, uniform,
unintermitted, unintermittent, unintermitting, uninterrupted,
unrelieved, unremitting, unstopped, wavelike, wheeling


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