12-letter words containing r, e, c, l, o
- 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).
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- 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.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- hexachloride — a chloride containing six atoms of chlorine.
- 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-colored — deep in color; vivid.
- highschooler — (US) A student at a high school.
- holy picture — a picture of a person or thing that is of religious importance
- homeschooler — One who homeschools a student (typically the parent).
- horn balance — an extension of an aircraft control surface that projects in front of the hinge providing aerodynamic assistance in moving the control
- horometrical — Relating to horometry.
- horse-collar — (especially in baseball) a score of zero.
- horticulture — the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants.
- housecleaner — Someone employed to clean a house.
- hydrocephaly — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydroculture — A type of hydroponics in which plants are grown in a medium that allows the distribution of water and nutrients through capillary action.
- hydrocyclone — A hydrocyclone is a vessel used for separating two liquids with different densities, by the circular movement of fluid.
- hydroecology — The study of support systems in wetlands such as the interactions between water and wildlife habitats.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperbolical — having the nature of hyperbole; exaggerated.
- hypercomplex — (mathematics) Describing any of several types of higher-dimensional numbers having some characteristics of complex numbers.
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hypoallergic — Hypoallergenic.
- hypochloride — Misspelling of hypochlorite.
- hypochlorite — a salt or ester of hypochlorous acid.
- inclinometer — Aeronautics. an instrument for measuring the angle an aircraft makes with the horizontal.
- inclusive or — the connective that gives the value true to a disjunction if either or both of the disjuncts are true
- incoherently — without logical or meaningful connection; disjointed; rambling: an incoherent sentence.
- incomparable — beyond comparison; matchless or unequaled: incomparable beauty.
- incorporable — able to be incorporated.
- incorrigible — not corrigible; bad beyond correction or reform: incorrigible behavior; an incorrigible liar.
- incorrodible — incapable of being corroded; not corrodible
- indecorously — not decorous; violating generally accepted standards of good taste or propriety; unseemly.
- inflorescent — Of, pertaining to or causing inflorescence.
- infomercials — Plural form of infomercial.
- informercial — infomercial.
- inoperculate — having no operculum.
- inspectorial — Of or pertaining to an inspector or to inspection.
- interclusion — the act of intercluding
- intercoastal — existing or done between seacoasts; involving two or more seacoasts.
- intercollege — intercollegiate.
- intercolline — (of a valley or hollow) situated between hills
- intercoolers — Plural form of intercooler.