| hell | 1. The place of the dead, or of souls after death; the grave; called in Hebrew sheol, and by the Greeks hades. "He descended into hell." (Book of Common Prayer) "Thou wilt not leave my soul in hell." (Ps. Xvi. 10) 2. The place or state of punishment for the wicked after death; the abode of evil spirits. Hence, any mental torment; anguish. "Within him hell." "It is a knell That summons thee to heaven or to hell." (Shak) 3. A place where outcast persons or things are gathered; as: A dungeon or prison; also, in certain running games, a place to which those who are caught are carried for detention. A gambling house. "A convenient little gambling hell for those who had grown reckless." . A place into which a tailor throws his shreds, or a printer his broken type. Gates of hell. See Gate. Origin: AS. Hell; akin to D. Hel, OHG. Hella, G. Holle, Icel. Hal, Sw. Helfvete, Dan. Helvede, Goth. Halja, and to AS. Helan to conceal. Cf. Hele, Conceal, Cell, Helmet, Hole, Occult. Source: Websters Dictionary (01 Mar 1998) |
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| hell-diver | <zoology> The dabchick. Source: Websters Dictionary (01 Mar 1998) |
| hellbender | <zoology> A large North American aquatic salamander (Protonopsis horrida or Menopoma Alleghaniensis). It is very voracious and very tenacious of life. Also called alligator, and water dog. Source: Websters Dictionary (01 Mar 1998) |
| hellebore | A plant belonging to the genus Helleborus. It is a type of buttercup with leaves at the base of the plant and flowers in clusters. Some species contain the organic chemical helleborein, which is used as a heart stimulant. (09 Oct 1997) |
| helleborein | <protein> A poisonous chemical found in the roots and rhizomes (underground stem other than roots) of certain hellebore plants. It is a yellow crystalline solid with the chemical formula C37H56O18 and is used as a stimulant of the heart. (09 Oct 1997) |
| helleborin | <chemistry> A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant. Synonym: elleborin. Source: Websters Dictionary (01 Mar 1998) |
| helleborism | The practice or theory of using hellebore as a medicine. Source: Websters Dictionary (01 Mar 1998) |
| helleborus | Black hellebore, the dried rhizome and roots of Helleborus niger (family Ranunculaceae); used as a cardiac and arterial tonic, diuretic, and cathartic. Origin: G. Helleboros (05 Mar 2000) |
| Heller myotomy | Treatment of oesophageal achalasia by longitudinal division of the lowest part of the oesophageal muscle down to the submucosal layer; some muscle fibres of the cardia may also be divided. Synonym: cardiomyotomy, oesophagogastromyotomy, Heller myotomy. Origin: oesophagus + G. Mys, muscle, + tome, incision (05 Mar 2000) |
| Heller operation | Oesophagomyotomy at the gastro-oesophageal region. (05 Mar 2000) |
| Heller's plexus | Plexus of small arteries in the wall of the intestine. (05 Mar 2000) |
| Heller, Arnold | <person> German pathologist, 1840-1913. See: Heller's plexus. (05 Mar 2000) |
| Heller, Ernst | <person> German surgeon, 1877-1964. See: Heller operation. (05 Mar 2000) |
| hellgramite | <zoology> The aquatic larva of a large American winged insect (Corydalus cornutus), much used a fish bait by anglers; the dobson. It belongs to the Neuroptera. Source: Websters Dictionary (01 Mar 1998) |
| hellicograph | An instrument for drawing spiral lines on a plane. Origin: Helix + -graph. Source: Websters Dictionary (01 Mar 1998) |