Annulus An"nu*lus, n.; pl. {Annuli}. [L.] 1. A ring; a ringlike part or space. [1913 Webster]

2. (Geom.) (a) A space contained between the circumferences of two circles, one within the other. (b) The solid formed by a circle revolving around a line which is the plane of the circle but does not cut it. [1913 Webster]

3. (Zo["o]l.) Ring-shaped structures or markings, found in, or upon, various animals. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • ANNULI — originis incertae; fabulae illorum vetustatem a rupe Caucatea repetunt et Promethei vincula eo detorquent. Troianis certe temporibus usum Annuli fuisse ignoratum, Plinius affirmat, hâc ratione ductus, quod Homerus eorum nullam fecerit mentionem,… …   Hofmann J. Lexicon universale

  • annuli- — ⇒ANNULI , élément préf. Tiré du rad. de anneau (lat. annulus), servant à former des composés sav. appartenant à la zool. pour indiquer que la partie du corps désignée par le second élément est formée d anneaux : annulicaude (annuli et lat. cauda… …   Encyclopédie Universelle

  • annuli — plural of annulus …   Dictionary of ichthyology

  • annuli — pl. of annulus …   Dictionary of invertebrate zoology

  • annuli — an·nu·li (ănʹyə lī ) n. A plural of annulus. * * * …   Universalium

  • annuli — an·nu·li (anґu li) [L.] genitive and plural of annulus …   Medical dictionary

  • annuli — n. ring; ring like object …   English contemporary dictionary

  • annuli — plural of annulus …   Useful english dictionary

  • ANNULI Regri — quô Reges Imperatoresque utuntur, ad subsignanda sua diplomata, memorantur Agobardo de insol. Fudaeorum, Fausto in Vita S. Mauri de Theodeberto Rege Thegano de Ludovic Pio c. 19. Aliis. Unde formula vulgaris omnibus fere Regum et Imperatorum… …   Hofmann J. Lexicon universale

  • ANNULI Chirographi — apud Catullum, Epigr. 25. signatorii sunt, qui in Bithynia fiebant, et ex eo Thyni illi dicebantur: Remitte pallium mihi meum, quod involasti, Sudariumque setabum, chirographosque Thynos. Hinc Thyni annuli, ex politura Bithynica celebres et… …   Hofmann J. Lexicon universale

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