12-letter words containing e, l, i, o
- heortologist — a person who studies heortology
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hernioplasty — an operation for the repair of a hernia.
- heroicomical — blending heroic and comic elements: a heroicomic poem.
- heron's-bill — stork's-bill (def 1).
- herpetologic — Alternative form of herpetological.
- heteroclisis — (grammar) The presence of two or more classes of inflection in the inflectional paradigm of a noun, verb etc.
- heteroclites — Plural form of heteroclite.
- heteroclitic — (linguistics) In linguistics, particularly Indo-European Studies, signifying a stem which alternates between more than one form when declined for grammatical case. Examples of heteroclitic noun stems in Proto-Indo-European include '*wod-r/n-'
- heterocyclic — of or relating to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic).
- heteroleptic — (chemistry) Describing an organometallic compound having two or more types of ligand.
- heterophilic — Also, heterophilic. Immunology. (of an antibody) having an affinity for an antigen other than its specific antigen.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heteroploidy — (genetics) The state of being heteroploid.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexachloride — a chloride containing six atoms of chlorine.
- hexafluoride — a fluoride containing six atoms of fluorine.
- hexasiloxane — (organic chemistry) Any siloxane having six -Si-O- groups.
- hexobarbital — a barbiturate with hypnotic and sedative properties
- hieroglyphic — Also, hieroglyphical. designating or pertaining to a pictographic script, particularly that of the ancient Egyptians, in which many of the symbols are conventionalized, recognizable pictures of the things represented.
- high polymer — a polymer composed of a large number of monomers.
- high profile — a deliberately conspicuous manner of living or operating.
- high voltage — high-power electricity
- high-colored — deep in color; vivid.
- high-profile — prominent publicly
- high-voltage — operating on or powered by high voltage: a high-voltage generator.
- highschooler — (US) A student at a high school.
- hispaniolize — to make someone Spanish in their cultural attitudes, values, speech, etc
- hispanophile — an admirer of Hispanic culture or the Spanish language.
- hobble skirt — a woman's skirt that is very narrow at the bottom, causing the wearer to walk with short, mincing steps.
- holiday home — a home that people own in order to holiday in and that is in a different location to the home they usually live in
- holidaymaker — vacationer.
- hollingshead — Holinshed.
- holmes light — a canister, attached to a life buoy or float, containing calcium carbonate and calcium phosphide, which ignite spontaneously on contact with the water, emitting conspicuous fire and smoke.
- holopneustic — having all the spiracles open, as the tracheal systems of most insects.
- holy picture — a picture of a person or thing that is of religious importance
- holy thistle — lady's-thistle.
- homebuilders — Plural form of homebuilder.
- homebuilding — the designing or constructing of houses.
- homoflexible — Primarily homosexual, but willing to take part in a limited amount of heterosexual activity.
- homolecithal — having a fairly uniform distribution of yolk, as certain eggs or ova having relatively little yolk.
- hoovervilles — a collection of huts and shacks, as at the edge of a city, housing the unemployed during the 1930s.
- hopkinsville — a city in S Kentucky.
- horometrical — Relating to horometry.
- horribleness — causing or tending to cause horror; shockingly dreadful: a horrible sight.
- horse pistol — a large pistol formerly carried by horsemen.
- horse trials — a competitive sporting event at which riders have to show their skill in dressage, show-jumping, and cross-country
- horse's tail — burro's tail.
- horticulture — the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants.
- hospital bed — a bed having side rails that can be raised or lowered and a mattress base in three jointed sections so that the head, foot, or middle may be raised by a crank or motor, allowing a patient to lie in various positions, as a therapeutic aid or for comfort.