HorapollonianOf or relating to Horapollo, the supposed author of a treatise, titled Hieroglyphica, on Egyptian hieroglyphs, extant in a Greek translation by one Philippus, dating to about the 5th century.
horariumThe daily schedule of a religious house or seminary.
horchataA sweet beverage variously made with rice, chufa or morro seeds (or, historically, barley), water, sugar, and cinnamon, and sometimes with milk.
horcruxIn Harry Potter, an object in which a wizard has concealed a part of their soul through magic, rendering them immortal until the object is irreparably damaged or destroyed.
hordatineAny of a class of benzofuran glucopyranosides found in ungerminated barley
hordeA wandering troop or gang; especially, a clan or tribe of a nomadic people (originally Tatars) migrating from place to place for the sake of pasturage, plunder, etc.; a predatory multitude.
HordenA large village and civil parish in County Durham, England (OS grid ref NZ4441).
hordenineN,N-dimethyltyramine, a phenethylamine alkaloid found in a variety of plants, including barley.
hordeolumstye, sty. An infection of a sebaceous gland of the eyelid. This is distinguished from a chalazion, which is not infected, but a cyst formed from an impacted meibomian gland of the eyelid.
horizometerAn instrument for measuring the distance of an object at sea by measuring the angle of depression of its waterline below a horizontal line drawn from the eye of the observer.
horizonThe visible horizontal line (in all directions) where the sky appears to meet the earth in the distance.
hormesisA phenomenon in which an environmental agent or stressor produces a stimulatory or beneficial effect at low doses and an inhibitory or harmful effect at higher doses, corresponding to a biphasic dose-response relationship.
hormeticOf or pertaining to hormesis or to a hormetin
hormosinidAny foraminifer in the family Hormosinidae.
hormosporeA spore similar in origin to stylospores or teleutospores of fungi, colourless, dividing into cells, microgonidia, etc., with deliquescence of the mother cell, the microgonidia developing into heterocysts.
hormotomidAny gastropod in the family Hormotomidae, now known as the Murchisoniidae.
HormozganA province of southern Iran, consisting of numerous islands in the Persian Gulf
hornballA person who is often, or easily, sexually aroused.
hornbastA tissue of obliterated groups of sieve tubes, especially thickened and of horny texture.
hornbeamA tree of the genus Carpinus, having smooth grey bark and a ridged trunk, the wood being white and very hard, found in temperate regions of the Northern Hemisphere.
hornbillAny of various birds of the family Bucerotidae, with bills resembling a cow's horns. Many species have a casque above the bill, and many imprison their young in a tree.
hornblendeA green to black amphibole mineral, of complex structure, formed in the late stages of cooling in igneous rock.
hornbugAny of several species of genus Lucanus of large nocturnal beetles, with long, curved upper jaws resembling a sickle, and whose grubs are found in the trunks of old trees.
HornburgA town in Wolfenbüttel district, Lower Saxony, Germany.
HornbyA village in Hornby-with-Farleton parish, Lancaster district, Lancashire, England (OS grid ref SD5868).
HorncastleA suburb of Reading, Berkshire, England (OS grid ref SU6772).
HornchurchA suburban town in the borough of Havering, Greater London, England (OS grid ref TQ5386).
HorncliffeA village and civil parish in northern Northumberland, England, on the River Tweed, the border with Scotland (OS grid ref NT9350).