Glossary · Nouns · H
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TermTypeDefinitionClassificationsUpdated
Hepaticanounany of several plants of the genus Hepatica having three-lobed leaves and white or pinkish flowers in early springverified
Hepatitis anounMWEan acute but benign form of viral hepatitis caused by an RNA virus that does not persist in the blood serum and is usually transmitted by ingesting food or drink that is contaminated with fecal matterverified
Hepatitis BnounMWEan acute (sometimes fatal) form of viral hepatitis caused by a DNA virus that tends to persist in the blood serum and is transmitted by sexual contact or by transfusion or by ingestion of contaminated blood or other bodily fluidsverified
Hepatitis CnounMWEa viral hepatitis clinically indistinguishable from hepatitis B but caused by a single-stranded RNA virusverified
Heptanenouna colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratingsverified
Heraldrynounthe study and classification of armorial bearings and the tracing of genealogiesverified
Herb BennetnounMWEhairy Eurasian plant with small yellow flowers and an astringent root formerly used medicinallyverified
Herb of GracenounMWEEuropean strong-scented perennial herb with grey-green bitter-tasting leavesverified
Herb ParisnounMWEEuropean herb with yellow-green flowers resembling and closely related to the trilliumsverified
Herbal MedicinenounMWEa medicine made from plants and used to prevent or treat disease or promote healthverified
Herbal TherapynounMWEthe use of plants or plant extracts for medicinal purposes (especially plants that are not part of the normal diet)verified
Herbariumnouna collection of dried plants that are mounted and systematically classified for studyverified
Herd's GrassnounMWEgrass with long cylindrical spikes grown in northern United States and Europe for hayverified
Herediatry Spinal AtaxianounMWEsclerosis of the posterior and lateral columns of the spinal cordverified
Hereditarianismnounthe philosophical doctrine that heredity is more important than environment in determining intellectual growthverified
Hereditary Motor and Sensory NeuropathynounMWEa form of neuropathy that can begin between childhood and young adulthoodverified
Hereditary PatternnounMWE(genetics) attributes acquired via biological heredity from the parentsverified
Hereditynounthe biological process whereby genetic factors are transmitted from one generation to the nextverified
Hereticnouna person who holds religious beliefs in conflict with the dogma of the Roman Catholic Churchverified
Heritornouna person who is entitled by law or by the terms of a will to inherit the estate of anotherverified
Hermnouna statue consisting of a squared stone pillar with a carved head (usually a bearded Hermes) on topverified
Hermaphrodismnouncongenital condition in which external genitalia and internal sex organs have both male and female characteristicsverified
Hermaphrodite BrignounMWEtwo-masted sailing vessel square-rigged on the foremast and fore-and-aft rigged on the mainmastverified
Hermaphroditismnouncongenital condition in which external genitalia and internal sex organs have both male and female characteristicsverified
Hermit CrabnounMWEsmall soft-bodied marine crustaceans living in cast-off shells of gastropodsverified
Herniated DiscnounMWEa painful rupture of the fibrocartilage of the disc between spinal vertebraeverified
Heronouna large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments)verified
Hero SandwichnounMWEa large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments)verified
Heroic StanzanounMWEa quatrain consisting of two heroic couplets written in an elevated styleverified
Herpangianouna viral infection (usually in children) marked by sore throat and fever and papules in the mouth and throat and headache and abdominal painverified