- drawtube
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/draw"toohb', -tyoohb'/, n.a tube sliding within another tube, as the tube carrying the eyepiece in a microscope.[1890-95; DRAW + TUBE]
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Universalium. 2010.
drawtube
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drawtube — [drô′to͞ob΄, drô′tyo͞ob΄] n. a tube sliding within another tube, as in the eyepiece of a microscope: see MICROSCOPE … English World dictionary
drawtube — noun Date: 1874 a telescoping tube (as for the eyepiece of a microscope) … New Collegiate Dictionary
drawtube — draw•tube [[t]ˈdrɔˌtub, ˌtyub[/t]] n. opt a tube sliding within another tube, as the tube carrying the eyepiece in a microscope • Etymology: 1890–95 … From formal English to slang
drawtube — /ˈdrɔtjub/ (say drawtyoohb) noun a tube sliding within another tube, as the tube carrying the eyepiece in a microscope …
drawtube — ˈ ̷ ̷ˌ ̷ ̷ noun : a telescoping tube (as that containing the eyepiece of certain optical instruments) * * * /draw toohb , tyoohb /, n. a tube sliding within another tube, as the tube carrying the eyepiece in a microscope. [1890 95; DRAW + TUBE] … Useful english dictionary
Crayford focuser — The first Crayford focuser (1968). The Crayford focuser is a simplified focusing mechanism for amateur astronomical telescopes. The design replaces the complicated rack and pinion drive normally found in this type of device with a smooth spring… … Wikipedia
compound microscope — noun Date: circa 1859 a microscope consisting of an objective and an eyepiece mounted in a drawtube … New Collegiate Dictionary
Chillum (pipe) — An Italian made chillum … Wikipedia
Chalice (pipe) — A Chalice, also known as a Wisdom Chalice or Chillum Chalice, is a type of smoking pipe used most often by members of the Rastafari movement. It is a sort of water pipe with a hose, or drawtube, for inhaling. The water cools and filters the smoke … Wikipedia
compound microscope — noun light microscope that has two converging lens systems: the objective and the eyepiece • Hypernyms: ↑light microscope • Part Meronyms: ↑objective, ↑objective lens, ↑object lens, ↑object glass * * * noun : a microscop … Useful english dictionary
