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13 Letter Words Starting With H
Browse 13 Letter Words Starting With H. 103 verified words are currently available. Definitions, Scrabble scores, and links to complete dictionary entries are included.
13 Letter Words
- habitableness 13 letters · 20 points suitability for living in or on
- haematochezia 13 letters · 32 points passage of stools containing blood (as from diverticulosis or colon cancer or peptic ulcer)
- haematocolpos 13 letters · 22 points accumulation of menstrual blood in the vagina (usually due to an imperforate hymen)
- haematologist 13 letters · 19 points a doctor who specializes in diseases of the blood and blood-forming organs
- haemodialysis 13 letters · 22 points dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case…
- hagiographist 13 letters · 23 points the author of a worshipful or idealizing biography
- hairsplitting 13 letters · 19 points developed in excessively fine detail
- hallucinating 13 letters · 19 points experiencing delirium
- hallucination 13 letters · 18 points an object perceived during a hallucinatory episode
- hallucinatory 13 letters · 21 points characterized by or characteristic of hallucination
- halobacterium 13 letters · 22 points halophiles in saline environments such as the Dead Sea or salt flats
- haphazardness 13 letters · 31 points the quality of lacking any predictable order or plan
- harmonisation 13 letters · 18 points singing in harmony
- harmonization 13 letters · 27 points singing in harmony
- hazardousness 13 letters · 26 points the state of being dangerous
- healthfulness 13 letters · 22 points the quality of promoting good health
- heartbreaking 13 letters · 23 points causing or marked by grief or anguish
- heartlessness 13 letters · 16 points an absence of concern for the welfare of others
- heartsickness 13 letters · 22 points feeling downcast and disheartened and hopeless
- helminthiasis 13 letters · 21 points infestation of the body with parasitic worms
- hematocyturia 13 letters · 23 points the presence of red blood cells in the urine
- hematogenesis 13 letters · 19 points the formation of blood cells in the living body (especially in the bone marrow)
- hematological 13 letters · 21 points of or relating to or involved in hematology
- hematopoiesis 13 letters · 20 points the formation of blood cells in the living body (especially in the bone marrow)
- hematopoietic 13 letters · 22 points pertaining to the formation of blood or blood cells
- hemimetabolic 13 letters · 24 points (of an insect with aquatic young) undergoing incomplete metamorphosis in which the young does not resemble the adult
- hemiparasitic 13 letters · 22 points of or relating to plants that are hemiparasites
- hemispherical 13 letters · 25 points of or relating to or being a hemisphere
- hemosiderosis 13 letters · 19 points abnormal deposit of hemosiderin; often a symptom of thalassemia or hemochromatosis
- heptasyllable 13 letters · 23 points a word or line of verse of seven syllables.
- hermaphrodism 13 letters · 26 points congenital condition in which external genitalia and internal sex organs have both male and female characteristics
- hermaphrodite 13 letters · 24 points of animal or plant; having both male female reproductive organs
- herpetologist 13 letters · 19 points a zoologist who studies reptiles and amphibians
- herrerasaurus 13 letters · 16 points a kind of theropod dinosaur found in Argentina
- heterogeneity 13 letters · 20 points the quality of being diverse and not comparable in kind
- heterogeneous 13 letters · 17 points originating outside the body
- heterogenesis 13 letters · 17 points the alternation of two or more different forms in the life cycle of a plant or animal
- heterological 13 letters · 19 points not corresponding in structure or evolutionary origin
- heterosporous 13 letters · 18 points characterized by heterospory
- heterostracan 13 letters · 18 points extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and…
- heterothermic 13 letters · 23 points of animals except birds and mammals; having body temperature that varies with the environment
- heterotrophic 13 letters · 23 points requiring organic compounds of carbon and nitrogen for nourishment
- histiocytosis 13 letters · 21 points a blood disease characterized by an abnormal multiplication of macrophages
- holocephalian 13 letters · 23 points fish with high compressed head and a body tapering off into a long tail
- holographical 13 letters · 24 points written entirely in one's own hand
- holometabolic 13 letters · 22 points (of an insect) undergoing complete metamorphosis
- homochromatic 13 letters · 27 points (of light or other electromagnetic radiation) having only one wavelength
- homoeroticism 13 letters · 22 points a sexual attraction to (or sexual relations with) persons of the same sex
- homogeneously 13 letters · 22 points all similarly
- homoiothermic 13 letters · 25 points of birds and mammals; having constant and relatively high body temperature
- homosexualism 13 letters · 27 points a sexual attraction to (or sexual relations with) persons of the same sex
- homosexuality 13 letters · 28 points a sexual attraction to (or sexual relations with) persons of the same sex
- honorableness 13 letters · 18 points the quality of deserving honor or respect; characterized by honor
- horizontality 13 letters · 28 points the quality of being parallel to the horizon
- horripilation 13 letters · 18 points reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation
- horsewhipping 13 letters · 27 points the act of whipping with a horsewhip
- horticultural 13 letters · 18 points of or relating to the cultivation of plants
- housebreaking 13 letters · 23 points trespassing for an unlawful purpose; illegal entrance into premises with criminal intent
- housecleaning 13 letters · 19 points the act of cleaning the rooms and furnishings of a house
- humiliatingly 13 letters · 22 points in a humiliating manner
- hundredweight 13 letters · 25 points a British unit of weight equivalent to 112 pounds
- hyalinisation 13 letters · 19 points the state of being hyaline or having become hyaline
- hyalinization 13 letters · 28 points the state of being hyaline or having become hyaline
- hyaluronidase 13 letters · 20 points an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability…
- hybridisation 13 letters · 22 points (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
- hybridization 13 letters · 31 points (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
- hydrarthrosis 13 letters · 23 points inflammation and swelling of a movable joint because of excess synovial fluid
- hydraulically 13 letters · 25 points in a hydraulic manner
- hydrocephalic 13 letters · 29 points relating to or characterized by or evidencing hydrocephalus
- hydrocephalus 13 letters · 27 points an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can…
- hydrochloride 13 letters · 26 points a complex consisting of an organic base in association with hydrogen chloride
- hydrocracking 13 letters · 29 points the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of…
- hydrodynamics 13 letters · 28 points study of fluids in motion
- hydroelectric 13 letters · 24 points of or relating to or used in the production of electricity by waterpower
- hydrogenation 13 letters · 21 points a chemical process that adds hydrogen atoms to an unsaturated oil
- hydroisohypse 13 letters · 28 points a line on a map connecting points of equal level on the piezometric surface.
- hydroisopieze 13 letters · 31 points a line on a map connecting points of identical pressures in the water bearing stratum.
- hydrokinetics 13 letters · 26 points study of fluids in motion
- hydromorphone 13 letters · 27 points a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain
- hydroxymethyl 13 letters · 38 points a methyl with hydroxide replacing the hydrogen atoms
- hymenopterous 13 letters · 23 points of or relating to insects of the order Hymenoptera
- hyperactivity 13 letters · 29 points a condition characterized by excessive restlessness and movement
- hyperboloidal 13 letters · 24 points having the shape of a hyperboloid
- hypercalcemia 13 letters · 27 points the presence of abnormally high levels of calcium in the blood; usually the result of excessive bone resorption…
- hypercritical 13 letters · 25 points inclined to judge too severely
- hyperglycemia 13 letters · 29 points abnormally high blood sugar usually associated with diabetes
- hyperhidrosis 13 letters · 25 points excessive and profuse perspiration
- hyperlipaemia 13 letters · 25 points presence of excess lipids in the blood
- hypermetropia 13 letters · 25 points abnormal condition in which vision for distant objects is better than for near objects
- hypermetropic 13 letters · 27 points abnormal ability to focus of distant objects
- hypermotility 13 letters · 26 points excessive movement; especially excessive motility of the gastrointestinal tract
- hypernatremia 13 letters · 23 points excessive amounts of sodium in the blood; possibly indicating diabetes insipidus
- hypersplenism 13 letters · 25 points enlarged spleen and a decrease in one or more types of blood cells; associated with many disorders
- hypertonicity 13 letters · 26 points (of muscular tissue) the state of being hypertonic
- hypertrophied 13 letters · 27 points (of an organ or body part) excessively enlarged as a result of increased size in the constituent cells
- hypervelocity 13 letters · 29 points excessive velocity
- hypervolaemia 13 letters · 26 points a blood disorder consisting of an increase in the volume of circulating blood
- hypnoanalysis 13 letters · 24 points the use of hypnosis in conjunction with psychoanalysis
- hypocalcaemia 13 letters · 27 points abnormally low level of calcium in the blood; associated with hypoparathyroidism or kidney malfunction or vitamin D deficiency
- hypochondriac 13 letters · 29 points suffering from hypochondria