helical

helical
helical "spiral-shaped," 1590s, from L. helicem (see HELIX (Cf. helix)) + -AL (Cf. -al) (1).

Etymology dictionary. 2014.

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  • Helical — Hel i*cal, a. [From {Helix}.] Of or pertaining to, or in the form of, a helix; spiral; as, a helical staircase; a helical spring. {Hel i*cal*ly}, adv. [1913 Webster] …   The Collaborative International Dictionary of English

  • helical — index circuitous Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • helical — ► ADJECTIVE ▪ having the shape or form of a helix; spiral. DERIVATIVES helically adverb …   English terms dictionary

  • helical — [hel′i kəl] adj. [ HELIC(O) + AL] of, or having the form of, a helix; spiral helically adv …   English World dictionary

  • helical — (hel ī kal) In virology this refers to a virus with a helical capsid surrounding its nucleic acid …   Dictionary of microbiology

  • helical — 1. Relating to a helix. SYN: helicine (2). 2. SYN: helicoid. [G. helix, a coil] * * * he·li·cal hel i kəl, hē li adj of, relating to, or having the form of a helix <the helical configuration of DNA> broadly SPIRAL (1a) he·li·cal·ly k(ə )lē …   Medical dictionary

  • helical — A spiralling shape such as that made by a coil spring. In the shape of a helix. Also see double helical gear …   Dictionary of automotive terms

  • Helical railgun — Helical railguns are multi turn railguns that reduce rail and brush current by a factor equal to the number of turns. Two rails are surrounded by a helical barrel and the projectile or re usable carrier is also helical. The projectile is… …   Wikipedia

  • Helical cone beam computed tomography — Helical (or spiral) cone beam computed tomography is a type of three dimensional computed tomography (CT) in which the source (usually of x rays) describes a helical trajectory relative to the object while a two dimensional array of detectors… …   Wikipedia

  • Helical scan — is a method of recording high bandwidth signals onto magnetic tape. It is used in video tape recorders, video cassette recorders, digital audio tape recorders, and some computer tape drives. Comparison to linear tape recording In a fixed head… …   Wikipedia

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