Part 1710

<h1>Cathedralic</h1> <Xpage=227>

<hw>Cath`e*dral"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Cathedral.</def> <mark>[R.]</mark>

<h1>Cathedrated</h1> <Xpage=227>

<hw>Cath`e*dra"ted</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[From <er>Cathedra</er>.]</ety> <def>Relating to the chair or office of a teacher.</def> <mark>[Obs.]</mark>

<h1>Catheretic</h1> <Xpage=227>

<hw>Cath`e*ret"ic</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/, fr. <?/ to bring down or raze; <?/ down + <?/ to take.]</ety> <fld>(Med.)</fld> <def>A mild kind caustic used to reduce warts and other excrescences.</def>

<i>Dunglison.</i>

<h1>Catherine wheel</h1> <Xpage=227>

<hw>Cath"er*ine wheel`</hw> <tt>(?)</tt>. <ety>[So called from <ets>St. Catherine</ets> of Alexandria, who is represented with a <ets>wheel</ets>, in allusion to her martyrdom.]</ety> <p><b>1.</b> <fld>(Geoth.Arth.)</fld> <def>Same as <er>Rose window</er> and <er>Wheel window</er>. Called also <altname>Catherine-wheel window</altname>.</def>

<p><b>2.</b> <fld>(Pyrotechny)</fld> <def>A revolving piece of fireworks resembling in form the window of the same name.</def> <altsp>[Written also <asp>Catharine wheel</asp>.]</altsp>

<h1>Catheter</h1> <Xpage=227>

<hw>Cath"e*ter</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L., fr. Gr. <?/ a thing let down or put in, catheter, fr. <?/ to send down, to let down; <?/ + <?/ to send.]</ety> <fld>(Med.)</fld> <def>The name of various instruments for passing along mucous canals, esp. applied to a tubular instrument to be introduced into the bladder through the urethra to draw off the urine.</def>

<cs><col>Eustachian catheter</col>. <cd>See under <er>Eustachian</er>.</cd> -- <col>Prostatic catheter</col>, <cd>one adapted for passing an enlarged prostate.</cd></cs>

<h1>Catheterism, Catheterization</h1> <Xpage=227>

<hw><hw>Cath"e*ter*ism</hw> <tt>(?)</tt>, <hw>Cath`e*ter*i*za"tion</hw> <tt>(?)</tt>,<hw> <tt>n.</tt> <fld>(Med.)</fld> <def>The operation of introducing a catheter.</def>

<h1>Catheterize</h1> <Xpage=227>

<hw>Cath"e*ter*ize</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Catheterized</er> <tt>(?)</tt>; <tt>p. pr. & vb. n.</tt> <er>Catheterizing</er>.]</wordforms> <fld>(Med.)</fld> <def>To operate on with a catheter.</def>

<i>Dunglison.</i>

<h1>Cathetometer</h1> <Xpage=227>

<hw>Cath`e*tom"e*ter</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[From Gr. <?/ vertical height + <ets>-meter</ets>.]</ety> <def>An instrument for the accurate measurement of small differences of height; esp. of the differences in the height of the upper surfaces of two columns of mercury or other fluid, or of the same column at different times. It consists of a telescopic leveling apparatus <it>(d)</it>, which slides up or down a perpendicular metallic standard very finely graduated (<it>bb</it>). The telescope is raised or depressed in order to sight the objects or surfaces, and the differences in vertical height are thus shown on the graduated standard.</def> <altsp>[Written also <asp>kathetometer</asp>.]</altsp>

<h1>Cathetus</h1> <Xpage=227>

<hw>Cath"e*tus</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. <plw>catheti</plw> <tt>(#)</tt>.</plu> <ety>[L., fr. Gr. <?/ a perpendicular line, fr. <?/ let down, fr. <?/. See <er>Catheter</er>.]</ety> <fld>(Geom.)</fld> <def>One line or radius falling perpendicularly on another; <as>as, the <ex>catheti</ex> of a right-angled triangle, that is, the two sides that include the right angle</as>.</def>

<i>Barlow.</i>

<h1>Cathode</h1> <Xpage=227>

<hw>Cath"ode</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ descent; <?/ down + <?/ way.]</ety> <fld>(Physics)</fld> <def>The part of a voltaic battery by which the electric current leaves substances through which it passes, or the surface at which the electric current passes out of the electrolyte; the negative pole; -- opposed to <i>anode</i>.</def>

<i>Faraday.</i>

<cs><col>Cathode ray</col> <fld>(Phys.)</fld>, <cd>a kind of ray generated at the cathode in a vacuum tube, by the electrical discharge<-- X-ray -->.</cd></cs>

<h1>Cathodic</h1> <Xpage=227>