Glossary · Nouns · H
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TermTypeDefinitionClassificationsUpdated
Herpes GenitalisnounMWEan infection caused by herpes simplex virus type 2 (HSV-2) that is usually transmitted by sexual contactverified
Herpes Simplex EncephalitisnounMWEcommon form of acute encephalitis caused by herpes simplex 1verified
Herrenvolknouna race that considers itself superior to all others and fitted to rule the othersverified
Herringbonenouna pattern of columns of short parallel lines with all the lines in one column sloping one way and lines in adjacent columns sloping the other wayverified
Herringbone PatternnounMWEa pattern of columns of short parallel lines with all the lines in one column sloping one way and lines in adjacent columns sloping the other wayverified
Heterocercal FinnounMWEa tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharksverified
Heterodactyl FootnounMWEa bird's foot having the first and second toes of each foot directed backward and the third and fourth forwardverified
Heterodyne OscillatornounMWEan oscillator whose output heterodynes with the incoming radio signal to produce sum and difference tonesverified
Heterodyne ReceivernounMWEa radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplifiedverified
Heterogenesisnounthe alternation of two or more different forms in the life cycle of a plant or animalverified
Heterograftnountissue from an animal of one species used as a temporary graft (as in cases of severe burns) on an individual of another speciesverified
Heterometabolismnoundevelopment of insects with incomplete metamorphosis in which no pupal stage precedes maturityverified
Heterometabolynoundevelopment of insects with incomplete metamorphosis in which no pupal stage precedes maturityverified
Heteronymnountwo words are heteronyms if they are spelled the same way but differ in pronunciationverified
Heterophil AntibodynounMWEan antibody found in the blood of someone suffering from infectious mononucleosisverified
Heterophil TestnounMWEa blood test to detect heterophil antibodies that agglutinate sheep red blood cellsverified
Heterophile AntibodynounMWEan antibody found in the blood of someone suffering from infectious mononucleosisverified
Heteroploidnoun(genetics) an organism or cell having a chromosome number that is not an even multiple of the haploid chromosome number for that speciesverified
Heteropterous InsectnounMWEtrue bugs: insects whose forewings are membranous but have leathery tipsverified
Heterosexualismnouna sexual attraction to (or sexual relations with) persons of the opposite sexverified
Heterosexualitynouna sexual attraction to (or sexual relations with) persons of the opposite sexverified
Heterostracannounextinct jawless fish with the anterior part of the body covered with bony platesverified
Heterozygotenoun(genetics) an organism having two different alleles of a particular gene and so giving rise to varying offspringverified
Heulanditenouna group of minerals of the zeolite family consisting of a hydrous aluminum silicate of sodium and calciumverified
Heuristic ProgramnounMWEa commonsense rule (or set of rules) intended to increase the probability of solving some problemverified
Heuristic RulenounMWEa commonsense rule (or set of rules) intended to increase the probability of solving some problemverified
Hexachlorophenenounantibacterial substance that is a water-soluble powder used in antiseptic soaps and toothpasteverified
Hexadecanoic AcidnounMWEa saturated fatty acid that is the major fat in meat and dairy productsverified
Hexadecimal Number SystemnounMWEa positional system of numeration that uses hexadecimal digits and a radix of sixteenverified
Hexadecimal SystemnounMWEa positional system of numeration that uses hexadecimal digits and a radix of sixteenverified
Hexagramnouna regular polygon formed by extending each of the sides of a regular hexagon to form two equilateral trianglesverified
Hexenbesennounan abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbanceverified
Hexestrolnounestrogen compound used to treat menstrual irregularities and menopausal symptoms and to prevent pregnancyverified
Hiatal HernianounMWEhernia resulting from the protrusion of part of the stomach through the diaphragmverified
Hiatus HernianounMWEhernia resulting from the protrusion of part of the stomach through the diaphragmverified