Part 2906

<cs><col>Delthyris limestone</col> <fld>(Geol.)</fld>, <cd>one of the divisions of the Upper Silurian rocks in New York.</cd></cs>

<h1>Deltic</h1> <Xpage=387>

<hw>Del"tic</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Deltaic.</def>

<h1>Deltidium</h1> <Xpage=387>

<hw>Del*tid"i*um</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <grk>de`lta</grk>, the letter <DELTA/.]</ety> <fld>(Zo\'94l.)</fld> <def>The triangular space under the beak of many brachiopod shells.</def>

<h1>Deltohedron</h1> <Xpage=387>

<hw>Del`to*he"dron</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <grk>de`lta</grk>, the letter <DELTA/ + <grk>'e`dra</grk> seat, base.]</ety> <fld>(Crystallog.)</fld> <def>A solid bounded by twelve quadrilateral faces. It is a hemihedral form of the isometric system, allied to the tetrahedron.</def>

<h1>Deltoid</h1> <Xpage=387>

<hw>Del"toid</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <grk>deltoeidh`s</grk> delta-shaped; <grk>de`lta</grk> the name of the letter <DELTA/ + <grk>ei^dos</grk> form: cf. F. <ets>delto\'8bde</ets>. See <er>Delta</er>.]</ety> <def>Shaped like the Greek <?/ (delta); delta-shaped; triangular.</def>

<cs><col>Deltoid leaf</col> <fld>(Bot.)</fld>, <cd>a leaf in the form of a triangle with the stem inserted at the middle of the base.</cd> -- <col>Deltoid muscle</col> <fld>(Anat.)</fld>, <cd>a triangular muscle in the shoulder which serves to move the arm directly upward.</cd></cs>

<h1>Deludable</h1> <Xpage=387>

<hw>De*lud"a*ble</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Capable of being deluded; liable to be imposed on gullible.</def>

<i>Sir T. Browne.</i>

<h1>Delude</h1> <Xpage=387>

<hw>De*lude"</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Deluded</er>; <tt>p. pr. & vb. n.</tt> <er>Deluding</er>.]</wordforms> <ety>[L. <ets>deludere</ets>, <ets>delusum</ets>; <ets>de-</ets> + <ets>ludere</ets> to play, make sport of, mock. See <er>Ludicrous</er>.]</ety>

<p><b>1.</b> <def>To lead from truth or into error; to mislead the mind or judgment of to beguile; to impose on; to dupe; to make a fool of.</def>

<blockquote>To <b>delude</b> the nation by an airy phantom. <i>Burke.</i></blockquote>

<p><b>2.</b> <def>To frustrate or disappoint.</def>

<blockquote>It <b>deludes</b> thy search. <i>Dryden.</i></blockquote>

<syn>Syn. -- To mislead; deceive; beguile; cajole; cheat; dupe. See <er>Deceive</er>.</syn>

<h1>Deluder</h1> <Xpage=387>

<hw>De*lud"er</hw> <tt>(?)</tt>, <tt>n.</tt> <def>One who deludes; a deceiver; an impostor.</def>

<h1>Deluge</h1> <Xpage=387>

<hw>Del"uge</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[F. <ets>d\'82luge</ets>, L. <ets>diluvium</ets>, fr. <ets>diluere</ets> wash away; <ets>di- = dis-</ets> + <ets>luere</ets>, equiv. to <ets>lavare</ets> to wash. See <er>Lave</er>, and cf. <er>Diluvium</er>.]</ety>

<p><b>1.</b> <def>A washing away; an overflowing of the land by water; an inundation; a flood; specifically, <i>The Deluge, the great flood in the days of Noah (<i>Gen. vii.</i>).</def>

<p><b>2.</b> <def>Fig.: Anything which overwhelms, or causes great destruction.</def> "The <i>deluge</i> of summer."

<i>Lowell.</i>

<blockquote>A fiery <b>deluge</b> fed With ever-burning sulphur unconsumed. <i>Milton.</i></blockquote>