Part 5210

<i>Chaucer.</i>

<h1>Hele</h1> <Xpage=682>

<hw>Hele</hw>, <tt>v. t.</tt> <ety>[AS. <ets>helan</ets>, akin to D. <ets>helen</ets>, OHG. <ets>helan</ets>, G. <ets>hehlen</ets>, L. <ets>celare</ets>. &root;17. See <er>Hell</er>, and cf. <er>Conceal</er>.]</ety> <def>To hide; to cover; to roof.</def> <mark>[Obs.]</mark>

<blockquote>Hide and <b>hele</b> things. <i>Chaucer.</i></blockquote>

<h1>Helena</h1> <Xpage=682>

<hw>Hel"e*na</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L.: cf. Sp. <ets>helena</ets>.]</ety> <def>See <cref>St. Elmo's fire</cref>, under <er>Saint</er>.</def>

<h1>Helenin</h1> <Xpage=682>

<hw>Hel"e*nin</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Chem.)</fld> <def>A neutral organic substance found in the root of the elecampane (<spn>Inula helenium</spn>), and extracted as a white crystalline or oily material, with a slightly bitter taste.</def> <-- used to induce interferon -- contains RNA -->

<h1>Heliac</h1> <Xpage=682>

<hw>He"li*ac</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Heliacal.</def>

<h1>Heliacal</h1> <Xpage=682>

<hw>He*li"a*cal</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <?/ belonging to the sun, fr. <?/ the sun: cf. F. <ets>h\'82liaque</ets>.]</ety> <fld>(Astron.)</fld> <def>Emerging from the light of the sun, or passing into it; rising or setting at the same, or nearly the same, time as the sun.</def>

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

<note>&hand; The <i>heliacal</i> rising of a star is when, after being in conjunction with the sun, and invisible, it emerges from the light so as to be visible in the morning before sunrising. On the contrary, the <i>heliacal</i> setting of a star is when the sun approaches conjunction so near as to render the star invisible.</note>

<h1>Heliacally</h1> <Xpage=682>

<hw>He*li"a*cal*ly</hw>, <tt>adv.</tt> <def>In a heliacal manner.</def>

<i>De Quincey.</i>

<h1>Helianthin</h1> <Xpage=682>

<hw>He`li*an"thin</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Prob. fr. L. <ets>helianthes</ets>, or NL. <ets>helianthus</ets>, sunflower, in allusion to its color.]</ety> <fld>(Chem.)</fld> <def>An artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also <altname>methyl orange</altname>.</def>

<h1>Helianthoid</h1> <Xpage=682>

<hw>He`li*an"thoid</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Zo\'94l.)</fld> <def>Of or pertaining to the Helianthoidea.</def>

<h1>Helianthoidea</h1> <Xpage=682>

<hw>He`li*an"thoi"de*a</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <ety>[NL., fr. L. <ets>helianthes</ets> sunflower + <ets>-oid</ets>.]</ety> <fld>(Zo\'94l.)</fld> <def>An order of Anthozoa; the Actinaria.</def>

<h1>Helical</h1> <Xpage=682>

<hw>Hel"i*cal</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[From <er>Helix</er>.]</ety> <def>Of or pertaining to, or in the form of, a helix; spiral; <as>as, a <ex>helical</ex> staircase; a <ex>helical</ex> spring.</as></def> -- <wordforms><wf>Hel"i*cal*ly</wf>, <tt>adv.</tt></wordforms>

<h1>Helichrysum</h1> <Xpage=682>

<hw>Hel`i*chry"sum</hw> <tt>(<?/)</tt>, <tt>n.</tt> <ety>[L., the marigold, fr. Gr. <?/ a kind of plant.]</ety> <fld>(Bot.)</fld> <def>A genus of composite plants, with shining, commonly white or yellow, or sometimes reddish, radiated involucres, which are often called "everlasting flowers."</def>

<h1>Heliciform</h1> <Xpage=682>