| ARCHDEACONRY | • archdeaconry n. The office of an archdeacon, or the term of that office. • archdeaconry n. The residence, or territorial jurisdiction of an archdeacon.
 • ARCHDEACONRY n. the district or residence of an archdeacon.
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| ARCHEOBOTANY | • archeobotany n. Alternative form of archaeobotany. • ARCHEOBOTANY n. the analysis and interpretation of plant remains found at archaeological sites, also ARCHAEOBOTANY.
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| CHATOYANCIES | • chatoyancies n. Plural of chatoyancy. • CHATOYANCY n. the quality of being chatoyant, having a changing lustre, also CHATOYANCE.
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| ENANTIOPATHY | • enantiopathy n. An opposite passion or affection. • enantiopathy n. (Dated, homeopathy) allopathy.
 • ENANTIOPATHY n. a disease or affliction which protects you from another.
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| ENHYPOSTASIA | • enhypostasia n. (Christianity (Christology)) The state of the human nature of Jesus Christ being entirely dependent… • ENHYPOSTASIA n. personality not existing independently but by union with another, as the human nature of Christ was said to be dependent on his divine nature.
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| HAEMATOXYLIN | • haematoxylin n. (British spelling) Alternative spelling of hematoxylin. • hæmatoxylin n. Archaic form of haematoxylin..
 • HAEMATOXYLIN n. a dye obtained from logwood, also HEMATOXYLIN.
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| HAEMATOXYLON | • HAEMATOXYLON n. any thorny leguminous tree of the genus Haematoxylon, esp. the logwood, of tropical America and SW Africa, the heartwood of which yields the dye haematoxylin. | 
| HAEMOCYANINS | • haemocyanins n. Plural of haemocyanin. • HAEMOCYANIN n. an oxygen-carrying pigment in arachnids, equivalent to haemoglobin in mammals.
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| HAEMODYNAMIC | • haemodynamic adj. (British spelling) Alternative spelling of hemodynamic. • HAEMODYNAMIC adj. of or relating to blood circulation, also HEMODYNAMIC.
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| HYALOMELANES | • HYALOMELANE n. a vitreous form of basalt, aka tachylite, also HYALOMELAN. | 
| HYDNOCARPATE | • HYDNOCARPATE n. any salt or ester of hydnocarpic acid. | 
| HYPNOPAEDIAS | • HYPNOPAEDIA n. training or instruction during sleep. | 
| HYPONATREMIA | • hyponatremia n. (Medicine) An abnormally low concentration of sodium in blood plasma. | 
| HYRACOIDEANS | • HYRACOIDEAN n. any member of a genus of mammals including the daman and the dassie or hyrax, also HYRACOID. | 
| HYSTEROMANIA | • hysteromania n. (Archaic) nymphomania. • hysteromania n. (Archaic) A condition involving both hysteria and mania.
 • HYSTEROMANIA n. hysterical mania, often marked by erotic delusions and an excessive desire to attract attention.
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| OCEANOGRAPHY | • oceanography n. The exploration and scientific study of the oceans and ocean floor. • OCEANOGRAPHY n. the study of the oceans.
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| PARAHYDROGEN | • parahydrogen n. (Physics) The form of the hydrogen molecule (H2) in which the two nuclei have antiparallel spin; about… • PARAHYDROGEN n. a spin isomer of hydrogen.
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| THAUMATOGENY | • thaumatogeny n. (Rare) The origination of life by a miracle rather than by natural law. • THAUMATOGENY n. the doctrine of the miraculous origin of life.
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| THIOCYANATES | • thiocyanates n. Plural of thiocyanate. • THIOCYANATE n. a salt of thiocyanic acid.
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