Word origins

• gynemimeticA transfeminine individual or trans woman who has not had sex reassignment surgery.
• gyneromanticRomantically attracted to women, female-identified persons, or femininity.
• -gynythe state of having a specific number of wives
• gyro-circle; circular or spinning motion
• gyrogoniteThe petrified fruit of several species of stonewort
• gyroliteA hexagonal-pyramidal mineral containing aluminum, calcium, hydrogen, oxygen, silicon, and sodium.
• habromaniaa form of insanity characterised by delusions of a cheerful or joyous nature
• HadeanPertaining to Hades or hell.
• hadro-Hadron; hadronic.
• haemalPertaining to the blood or blood vessels.
• haematidA red blood cell.
• haematidrosisA very rare disorder in which the patient sweats blood and/or blood pigments, usually resulting from extreme physical and/or mental stress.
• haemato-blood
• haematoporphyrinhaematoin
• haemo-Pertaining to blood.
• haemolacriaThe shedding of tears containing blood
• hagio-saints
• halinesalty; saline
• halo-sea, salt, salt water
• haloxylineAn explosive compound of sawdust, charcoal, niter, and potassium ferrocyanide, formerly used as a substitute for gunpowder.
• haltereA small knobbed structure in some two-winged insects, one of a pair that are flapped rapidly and function as accelerometers to maintain stability in flight.
• halurgistA salt worker.
• hamarthritisGeneralized arthritis, affecting all the joints.
• hamartiaThe tragic flaw of the protagonist in a literary tragedy.
• hapaxanthA plant of a kind that flowers only once in its lifetime and then dies.
• hapax legomenonA word occurring only once in a given corpus.
• haphephobiaThe fear of being touched.
• haplo-Haploid: having a single set of unpaired chromosomes.
• haplontAny haplontic organism; any organism whose zygotes undergo zygotic meiosis (meiosis immediately after the fusion of cell nuclei).
• haplorrhineAny primate of the evolved clade (half of the order) which comprises all apes (including hominoids), monkeys and even (prosimian) tarsiers
• hapteronA branched swelling at the base of an aquatic plant (such as an alga) that it uses to fix itself in place
• hareleafAny plant in the genus Lagophylla- annual flowers of the western US having leaves covered by dense, soft hairs reminiscent of a rabbit's fur.
• harmostA governor or ruler appointed by the Spartans in the cities they subjugated.
• harmotomeA rare zeolite, a hydrated barium silicate that forms vitreous white monoclinic crystals.
• harpaxAn Ancient Roman catapult-shot grapnel.
• hebdo-In the metric system, multiplies the attached unit by 10⁷.
• hebe-relating to youth
• hebephreniaA form of schizophrenia characterized by inappropriate behavior and emotional responses.
• heboidOf or relating to hebephrenia.
• hecastotheismA general form of animism in which both animate and inanimate objects are believed to have supernatural powers.
• hecato-One hundred; one hundred times.
• hecatonicosachoronA four-dimensional object analogous to a dodecahedron, constructed out of one hundred and twenty dodecahedra, arranged 4 to a vertex.
• hecatontarchyA government of 100 rulers.
• hectocotylusA modified arm of any of several male cephalopods that functions as a reproductive organ by transferring sperm to the mantle of the female.
• HedoneThe Greek goddess of sensual pleasures. She is the daughter of Eros/Cupid and Psyche, and the grandaughter of Aphrodite/Venus and Ares/Mars. Her Roman counterpart is Voluptas.
• hedonicsThe ethical study of pleasure
• -hedronForms the names of solid figures bounded by a certain number of planes (polyhedra).
• HegemoneOne of the Charites and a goddess of flowers and fruit, worshipped at Athens along with Auxo and Damia.
• hegumenThe head of a monastery of the Eastern Orthodox Church or Eastern Catholic Churches.
• hegumeneA female hegumen.
• helcoidOf or pertaining to an ulcer; ulcerous.
• helcologyThe study, pathology, and treatment of ulcers.
• helcosisulceration
• helepolisan ancient Greek siege engine consisting of a wheeled tower containing machines for throwing stones and spears
• helianthophobiaThe fear of sunflowers (plant).
• heliastA judge in the supreme court of ancient Athens.
• helichryseAn unidentified plant with yellow flowers, anciently used in garlands.
• heliclineA curving or spiral-shaped ramp; (especially) the ramp at the 1939 New York World's Fair Theme Center.
• helicoidHaving the form of a flattened helix.
• helicotremaThe part of the cochlear labyrinth where the scala tympani and the scala vestibuli meet.
• helio-Concerning the sun.
• heliocentrismThe theory that the Sun is the center of the universe.
• heliodorA richly coloured form of golden beryl found in southwest Africa.
• helioliteA variety of feldspar, closely related to orthoclase
• heliometerAn astronomical instrument, based on a telescope, for measuring the diameter of the sun; now used to measure the angular distance between stars and other celestial bodies.
• heliosisSunstroke.
• heliotypyA method of transferring pictures from photographic negatives to hardened gelatin plates from which impressions are produced on paper as by lithography.
• HelladicOf or relating to the civilization that flourished in mainland Greece during the Bronze Age (3000 to about 1100 B.C.E.).
• HellanodicA judge or umpire in certain games or combats.
• HellenistA specialist in the study of Greek language, literature, culture, or history, or an admirer of the Greek culture and civilization.
• HellenizeTo use the language and culture of the ancient Greeks, to become Hellenistic.
• HellenophileSomeone who has a love of Greece or Greek culture, either Ancient or Modern.
• HellenophiliaA love of Greece and Greek culture, whether ancient or modern.
• helophyteAny plant (typically found in marshy ground) whose buds overwinter under water; helophytes grow partially submerged, and regrow from beds below the water.
• helusIn scarabaeoid larvae, a coarse fixed spine located near the haptomerum.
• hematicOf, pertaining to, affecting or containing blood
• hematinHemoglobin with iron in ferric state.
• hematinonA red pigment consisting of silica, borax, and soda, fused with copper oxide and used in enamels, mosaics, etc.
• hematoliteA trigonal-pyramidal mineral containing aluminum, arsenic, hydrogen, magnesium, manganese, and oxygen.
• hemerodromeA courier in Ancient Greece who would run for a day
• hemerologyThe study of calendars, especially with a view to identifying propitious days.
• hemerophyteAny cultivated plant, especially one introduced from elsewhere
• hemicarpA mericarp.
• hemigynousHaving characteristics of both male and female of the species but the sexual organs for one gender only.
• hemimeliaThe congenital absence of part of one or more limbs. With legs, usually clarified as pedal (foot), fibular (outer lower leg), tibial (inner lower leg), or full hemimelia. With arms, usually clarified as manual, radial, ulnar, or full hemimelia.
• hemiolaThe articulation of two bars in triple time as if they were three bars in duple time.
• hemippeThe Syrian wild ass (Equus hemionus hemippus).
• hendeca-eleven
• hendecaneAny saturated aliphatic hydrocarbon, C₁₁H₂₄, having eleven carbon atoms.
• hendiadysA figure of speech used for emphasis, where two words joined by and are used to express a single complex idea.
• henidA vague, half-formed thought or feeling.
• henologyThe philosophical discourse on "The One" that appears most notably in the philosophy of Plotinus.
• henoticOf or pertaining to the production of peace and harmony; unifying
• heort-(religious) feast
• hepatizeTo impregnate with sulphureted hydrogen gas (formerly called hepatic gas).
• hepato-Pertaining to the liver.
• hepatoscopyDivination by the liver of an animal or bird. The liver was divided into sections, each section representing a deity, and the markings in these zones were important.
• heptachordA system of seven sounds.
• heptagonA polygon with seven sides and seven angles.
• heptakis-A variant of hepta-, used for multiplication with a second numerical prefix.