Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Hetzer A surname. Hetzler A surname. Heubeck A surname. heuchera Any of the genus Heuchera of herbaceous perennial plants; coral bells, alumroot. Heuer A surname from German. heugh A steep crag or cliff, especially one overlooking a river Heughan A surname Heughligan A fan of Scottish actor, producer, author, and entrepreneur Sam Heughan (born 1980). Heuland A surname heulandite A common mineral of the zeolite group with monoclinic crystals, the most usual form being heulandite-Ca (Ca,Na)₂₋₃Al₃(Al,Si)₂Si₁₃O₃₆·12H₂O. heulanditic Of or relating to heulandite. Heumen A village in Gelderland, Netherlands. Heun A surname. Heungshan Former name of Zhongshan (a prefecture-level city in Guangdong, China; former county of Guangdong, China). heuningbos Synonym of honeybush (“Cyclopia”). Heupel A surname. heuretic Of or relating to discovery or invention Heuring A surname from German. heurism Knowledge derived from empirical study and practical adoption of experience. heuristic That employs a practical method not guaranteed to be optimal or perfect; either not following or derived from any theory, or based on an advisedly oversimplified one. heuristical Of or pertaining to heuristics. heuristicality The condition of being heuristical. heuristically in a heuristic manner heuristics The study of heuristic methods and principles. Heusden A city and municipality of Limburg, Netherlands. Heuser A surname. Heusler A surname. Heustess A surname. heutagogic Of or pertaining to heutagogy. heutagogy The study of self-determined learning. Heuvelton An incorporated village in northern New York, United States heuweltjie A kind of large mound, of disputed origin, above or near the surface of the landscape in parts of South Africa. Hevaahulhudhoo An uninhabited island of Gaafu Dhaalu, Maldives. hevamine A chitinase present in the rubber tree Hevea brasiliensis hevea Any of the genus Hevea of flowering plants in the spurge family, including the economically important rubber tree Hevea brasiliensis. hevein a form of lectin, in the rubber tree Hevea brasiliensis, associated with latex coagulation Hevelli A tribe of the Polabian Slavs, who settled around the middle Havel river in the present-day Havelland region of Brandenburg in eastern Germany from the 8th century onwards. Hevellian One of the Hevelli. Hevener A surname. Hever A village and civil parish in Sevenoaks district, Kent, England, the location of Hever Castle (OS grid ref TQ4744). Heverly A surname from German. Heversham A village and civil parish in Westmorland and Furness, Cumbria, England, previously in South Lakeland district (OS grid ref SD4983). Heves A county of Hungary. Hevia A surname from Spanish. hevva Cry raised when a shoal of pilchards is sighted, signalling for fisherman to man their boats. hew To chop away at; to whittle down; to mow down. Hewa An indigenous people of Papua New Guinea. hewable Capable of being hewn. Hewanorra Former name of Saint Lucia. Heward A surname. Hewat A surname originating as a patronymic. hewe A domestic; a servant or retainer. Hewell A surname. Hewelsfield A village in Hewelsfield and Brockweir parish, Forest of Dean district, Gloucestershire, England (OS grid ref SO5602). hewer One who hews. Hewertson A surname. hewes A surname originating as a patronymic. Hewetson A surname originating as a patronymic. Hewett A surname originating as a patronymic. hewettite A monoclinic-prismatic red mineral containing calcium, hydrogen, oxygen, and vanadium. hewgag A kazoo-like musical instrument. hewhole The European green woodpecker. hewing The act of one who hews or chops. Hewins A surname. Hewish A settlement south of East Hewish, Puxton parish, North Somerset district, Somerset, England (OS grid ref ST4064). Hewison A surname originating as a patronymic. Hewitson A surname originating as a patronymic. Hewitt A surname originating as a patronymic. Hewkin A surname originating as a patronymic. Hewlett A surname originating as a patronymic. hewn Made or crafted by cutting, whittling down. Heworth A suburb in City of York district, North Yorkshire, England (OS grid ref SE6152). hews A surname originating as a patronymic. Hewson A surname originating as a patronymic. hex To cast a spell on (specifically an evil spell), to bewitch. hexaacetate Any compound, but especially a derivative of a sugar, that has six acetate groups. hexaacetylmannitol mannitol hexaacetate hexaacylated Modified by the addition of six acyl groups hexaaluminium Six aluminium atoms or ions in a compound (Al₆). hexaantimonide Six antimonide ions in a compound (Sb₆). hexaaqua Six water molecules surrounding a metal atom in a complex ion hexaaquaaluminium An aluminium cation with six water ligands Al(H₂O)₆³⁺ hexaaquachromium Cr3+ ion surrounded by 6 water molecules. hexaaquairon The hydrated ferric cation Fe(H₂O)₆³⁺ hexaazamacrocycle Any macrocycle that contains six nitrogen atoms. hexaazide Any polyazide having six azide units hexabarium Six atoms of barium in a chemical compound. hexabasic containing six replaceable hydrogen atoms hexabenzobenzene Synonym of coronene. hexabenzocoronene A polycyclic aromatic hydrocarbon in which six benzene rings are fused to the six available positions of a coronene ring hexabismuth Six atoms of bismuth in a chemical compound. hexaboride Any boride that has six boron atoms per molecule, or per unit cell, e.g. LaB₆. hexabothriid Any monogenean of the family Hexabothriidae. hexabrachion A glycoprotein of the extracellular matrix that is prominent in embryogenesis, wound healing and tumorigenesis hexabranchid Any sea slug in the family Hexabranchidae. hexabromide any bromide containing six bromine atoms in each molecule hexabromo (in combination) Six bromine atoms in a molecule hexabromoacetone The fully brominated derivative of acetone; it is used in organic synthesis as a tribromoacetylating agent. hexabromobenzene The hexabromo derivative of benzene, C₆Br₆ hexabromobiphenyl One of the polybrominated biphenyls. hexabromocyclododecane Any hexabromo derivative of cyclododecane, but especially 1,2,5,6,9,10-hexabromocyclododecane that is used as a flame retardant. hexabromocyclohexane Any hexabromo derivative of cyclohexane, but especially 1,2,3,4,5,6-hexabromocyclohexane which inhibits autophosphorylation hexabundle A bundle of many optical fibre cores, each one surrounded by six (or seven) others hexacalcium Six atoms of calcium in a chemical compound. hexacameral Having six chambers; comprising six separate parts. hexacanth Having six larval hooks. hexacarbide Any carbide containing six carbon atoms per molecule hexacarbonate Six carbonate ions in a compound. hexacarbonyl Any compound having six carbonyl groups hexacation A cation that has six positive charges hexacationic Having six positive charges hexacelsian A hexagonal polymorph of celsian. hexacene The acene consisting of six fused benzene rings; any derivative of this compound hexacetonide Any compound containing six acetonide groups hexachiral hexagonal and chiral hexachitose A hexameric oligosaccharide derived from chitin hexachloride Any chloride having six chlorine atoms hexachloridoantimonate The univalent anion SbCl₆⁻; any salt containing this anion hexachloro Six chlorine atoms in a molecule. hexachloroacetone An organic compound used mainly as a pesticide. hexachloroantimonate The anion SbCl₆⁻ or any salt containing this anion hexachlorobenzene A polychlorinated hydrocarbon, C₆Cl₆, used as a fungicide in the treatment of bunt hexachlorobiphenyl Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms hexachlorobutadiene A chlorinated aliphatic diene with a turpentine odour, most commonly used as a solvent for other chlorine-containing compounds hexachlorocyclohexane Any of several chlorinated derivatives of cyclohexane (C₆H₆Cl₆) that are used chiefly as insecticides, including the gamma isomer lindane. hexachlorocyclohexene Any derivative of cyclohexene in which six hydrogen atoms have been replaced by chlorine hexachlorocyclopentadiene A highly chlorinated cyclic hydrocarbon (C₅Cl₆) used chiefly as a chemical intermediate in the manufacture of pesticides and resins; a toxic, reactive compound that can irritate the eyes, skin, and respiratory system upon exposure. hexachlorocyclotriphosphazene A trimer of phosphonitrilic chloride hexachloroethane The fully chlorinated derivative of ethane CCl₃-CCl₃ that is used as an oxidizing agent, and in munitions hexachlorofluorescein A chlorinated derivative of fluorescein that is used to label oligonucleotides. hexachlorohexahydrodimethanonaphthalene Synonym of aldrin, a highly toxic organochlorine insecticide with formula C₁₂H₈Cl₆. hexachloroiridate The anion IrCl₆²⁻ or any salt containing this anion hexachloropalladate The anion PdCl₆²⁻; any salt containing this anion hexachlorophene A polyhalogenated compound, 2,2'-methylenebis(3,4,6-trichlorophenol)-3,4,6-trichloro-2-[(2,3,5-trichloro-6-hydroxyphenyl)methyl]phenol, once used as a disinfectant hexachlorophenol An organochloride of phenol used as a fungicide. hexachloroplatinate The anion PtCl₆²⁻; any salt containing this anion. hexachlorothallate A salt or anion containing thallium bound to six chlorine atoms. (TlCl₆³⁻) hexachord A series of six tones denoted with the syllables ut-re-mi-fa-sol-la separated by seconds, the only of which that is a minor second being mi-fa. hexachordal Of or pertaining to a hexachord hexachotomy The division of one into six separate but related parts. hexachromatic Able to distinguish six distinct colors. hexacid Having six atoms or radicals capable of being replaced by acids; hexatomic; hexavalent. hexacle A circumscribed hexagram. hexacode A particular linear code of length 6 and dimension 3. hexaconazole A particular systemic fungicide. hexacone A hexagonal pyramid. hexacontagon A 60-sided polygon. hexacontane Any saturated aliphatic hydrocarbon that has sixty carbon atoms, but especially n-hexacontane CH₃(CH₂)₅₈CH₃ hexacoordinate Having six ligands hexacoordinated coordinated with six ligands