half-hourly

half-hourly
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]


The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • half-hourly — adj, adv BrE done or happening every half hour ▪ Trains depart at half hourly intervals from 10.30 am until 4.00 pm …   Dictionary of contemporary English

  • half-hourly — adjective happening every 30 minutes: half hourly news bulletins …   Usage of the words and phrases in modern English

  • Half-hourly — Half hour ly ( our l[y^]), a. Done or happening at intervals of half an hour. [1913 Webster] …   The Collaborative International Dictionary of English

  • half-hourly — half hour ► NOUN 1) (also half an hour) a period of thirty minutes. 2) a point in time thirty minutes after a full hour of the clock. DERIVATIVES half hourly adjective & adverb …   English terms dictionary

  • half-hourly — adjective, adverb done or happening every half hour: the half hourly chimes of the clock …   Longman dictionary of contemporary English

  • half-hourly — UK / US adjective happening every 30 minutes half hourly news bulletins …   English dictionary

  • ˌhalf-ˈhourly — adj happening every 30 minutes half hourly news programmes[/ex] …   Dictionary for writing and speaking English

  • half-hourly — adjective /ˈhaf aʊəli/ (say hahf owuhlee) 1. of or lasting a half hour. 2. occurring once every half hour. –adverb /haf ˈaʊəli/ (say hahf owuhlee) 3. during a half hour …  

  • half-hourly — I adjective occurring ever half hour • Similar to: ↑periodic, ↑periodical II adverb every thirty minutes, every half hour …   Useful english dictionary

  • half-hourly — adverb or adjective see half hour …   New Collegiate Dictionary

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