'Circular' definitions:

Definition of 'circular'

From: WordNet
adjective
Having a circular shape [syn: round, circular] [ant: square]
adjective
Describing a circle; moving in a circle; "the circular motion of the wheel" [syn: circular, rotary, orbitual]
noun
An advertisement (usually printed on a page or in a leaflet) intended for wide distribution; "he mailed the circular to all subscribers" [syn: circular, handbill, bill, broadside, broadsheet, flier, flyer, throwaway]

Definition of 'Circular'

From: GCIDE
  • Circular \Cir"cu*lar\, a. [L. circularis, fr. circulus circle: cf. F. circulaire. See Circle.] [1913 Webster]
  • 1. In the form of, or bounded by, a circle; round. [1913 Webster]
  • 2. repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning. [1913 Webster]
  • 3. Adhering to a fixed circle of legends; cyclic; hence, mean; inferior. See Cyclic poets, under Cyclic. [1913 Webster]
  • Had Virgil been a circular poet, and closely adhered to history, how could the Romans have had Dido? --Dennis. [1913 Webster]
  • 4. Addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter. [1913 Webster]
  • A proclamation of Henry III., . . . doubtless circular throughout England. --Hallam. [1913 Webster]
  • 5. Perfect; complete. [Obs.] [1913 Webster]
  • A man so absolute and circular In all those wished-for rarities that may take A virgin captive. --Massinger. [1913 Webster]
  • Circular are, any portion of the circumference of a circle.
  • Circular cubics (Math.), curves of the third order which are imagined to pass through the two circular points at infinity.
  • Circular functions. (Math.) See under Function.
  • Circular instruments, mathematical instruments employed for measuring angles, in which the graduation extends round the whole circumference of a circle, or 360[deg].
  • Circular lines, straight lines pertaining to the circle, as sines, tangents, secants, etc.
  • Circular note or Circular letter. (a) (Com.) See under Credit. (b) (Diplomacy) A letter addressed in identical terms to a number of persons.
  • Circular numbers (Arith.), those whose powers terminate in the same digits as the roots themselves; as 5 and 6, whose squares are 25 and 36. --Bailey. --Barlow.
  • Circular points at infinity (Geom.), two imaginary points at infinite distance through which every circle in the plane is, in the theory of curves, imagined to pass.
  • Circular polarization. (Min.) See under Polarization.
  • Circular sailing or Globular sailing (Naut.), the method of sailing by the arc of a great circle.
  • Circular saw. See under Saw. [1913 Webster]

Definition of 'Circular'

From: GCIDE
  • Circular \Cir"cu*lar\, n. [Cf. (for sense 1) F. circulaire, lettre circulaire. See Circular, a.] [1913 Webster]
  • 1. A circular letter, or paper, usually printed, copies of which are addressed or given to various persons; as, a business circular. [1913 Webster]
  • 2. A sleeveless cloak, cut in circular form. [1913 Webster]

Definition of 'circular'

From: GCIDE
  • 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]