annular (adj.) "ring-shaped," 1570s, from Fr. annulaire (16c.) or directly from L. annularis "pertaining to a ring," from annulus, dim. of anus "ring" (see ANUS (Cf. anus)). An annular eclipse (1727) is one in which the dark body of the moon is smaller than the disk of the sun, so that at the height of it the sun appears as a ring of light. Related: Annularity.

Etymology dictionary. 2014.

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  • Annular — An nu*lar, a. [L. annularis, fr. annulis ring: cf. F. annulaire.] 1. Pertaining to, or having the form of, a ring; forming a ring; ringed; ring shaped; as, annular fibers. [1913 Webster] 2. Banded or marked with circles. [1913 Webster] {Annular… …   The Collaborative International Dictionary of English

  • Annŭlar — (v. lat.), ringförmig …   Pierer's Universal-Lexikon

  • annular — ► ADJECTIVE technical ▪ ring shaped. ORIGIN Latin annularis, from anulus small ring …   English terms dictionary

  • annular — [an′yo͞o lər, an′yələr] adj. [L anularis < anulus, a ring < anus: see ANUS] of, like, or forming a ring SYN. ROUND1 annularity [an′yo͞oler′ə tē, an′yəler′ə tē] n. annularly adv …   English World dictionary

  • annular — adjective /ˈænjələ,ˈænjʊlə,ˈænjəlɚ/ a) Pertaining to, or having the form of, a ring; forming a ring; ringed; ring shaped; as, annular fibers; in the shape of an annulus. The capsule in both families is spherical, with a bistratose wall; the outer …   Wiktionary

  • annular —   a. pertaining to, forming or having shape of a ring. annular eclipse, eclipse of sun in which a ring of its surface surrounds the moon. annulate, a. marked with rings; having rings of colour; annular. annulation, n. annulary, n. ring finger …   Dictionary of difficult words

  • annular — adjective Etymology: Middle French or Medieval Latin; Middle French annulaire, from Medieval Latin anularis, from Latin anulus Date: 1571 of, relating to, or forming a ring < an annular skin lesion > …   New Collegiate Dictionary

  • annular — SYN: anular. [L. anulus, ring] * * * an·nu·lar an yə lər adj of, relating to, or forming a ring <the annular diaphragm of a microscope> * * * an·nu·lar (anґu lər) [L. annularis] shaped like a ring. See also circular …   Medical dictionary

  • annular — adj. ring shaped; forming a ring. Phrases and idioms: annular eclipse an eclipse of the sun in which the moon leaves a ring of sunlight visible round it. Derivatives: annularly adv. Etymology: F annulaire or L annularis f. an(n)ulus ring …   Useful english dictionary

  • Annular velocity — [] is the speed of a fluid s movement in a column called an annulus. [ (mathematics)] It is normally measured in feet per minute (fpm).… …   Wikipedia

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