| 单词 | spiral arms |
| 释义 | spire2 /spīr/noun
To wind, mount, or proceed in spirals ORIGIN: Gr speira a coil, a tore spīrˈal adjective
To make spiral spīralˈiform adjective In or based on the shape of a spiral spīrality /-alˈi-ti/ noun spīrˈally adverb spīrasˈter noun (Gr astēr star) a coiled sponge spicule with radiating spines spīrˈāted adjective Spirally twisted spīrˈēme noun In mitosis, the coiled thread formed by nuclear chromatin spīrˈic adjective Like a tore or anchor-ring nounA curve, the plane section of a tore spīrillˈar adjective spīrillōˈsis noun Infection with a spirillum spīrillˈum noun (pl spīrillˈa) Any rigid, spiral-shaped bacterium of the genus Spirillum, eg S. minus that causes ratbite fever spīˈroid adjective With the form of, or like, a spiral spīrˈy adjective Spirally coiled spiral arm noun An arm of a spiral galaxy spiral binding noun A method of binding a book or notebook by threading a wire or plastic spiral through punched holes at the spine of each page spiral bound adjective spiral fracture noun (medicine) A fracture of a bone caused by a sudden violent twisting movement spiral galaxy noun (astronomy) One of a large class of galaxies, with two spiral arms emerging from a bright central ellipsoidal nucleus about which they rotate spiral ratchet screwdriver noun A ratchet screwdriver which can be made to turn in either direction by downward pressure on a sleeve which applies torque to helical grooves in the shaft spiral staircase noun A staircase in the form of a spiral, with a central column around which the steps are built |
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