12-letter words containing r, c, o, l
- highschooler — (US) A student at a high school.
- hill country — hilly area
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- histrionical — (British) Alternative form of histrionic.
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holy picture — a picture of a person or thing that is of religious importance
- homeschooler — One who homeschools a student (typically the parent).
- horizon club — a division of Camp Fire, Inc., for members of high-school age.
- 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.
- horrifically — causing horror.
- 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.
- hydrochloric — of or derived from hydrochloric acid.
- hydrocolloid — a substance that forms a colloid when combined with water.
- hydrocooling — the process or technique of arresting the ripening of fruits and vegetables after harvesting by immersion in ice water.
- 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
- hydrofluoric — of or derived from hydrofluoric acid.
- hydrological — the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
- hydronically — in a hydronic manner; in a manner relating to a heating system that uses water
- 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.
- hypochlorous — of or derived from hypochlorous acid.
- hypocritical — of the nature of hypocrisy, or pretense of having virtues, beliefs, principles, etc., that one does not actually possess: The parent who has a “do what I say and not what I do” attitude can appear hypocritical to a child.
- ic prolog ii — (language, Prolog) Imperial College Prolog. A Prolog with multi-threading, TCP primitives for interprocess communication, mailboxes, and an interface to Parlog.
- ichthyolatry — The worship of fishes, or of fish-shaped idols.
- imidacloprid — The insecticide 1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine used to control fleas in domestic pets.
- immoralistic — (somewhat, rare) Of or relating to immoralism.
- inclinometer — Aeronautics. an instrument for measuring the angle an aircraft makes with the horizontal.
- inclusionary — (of zoning, housing programs, etc.) stipulating that a certain percentage of new housing will be priced within the reach of middle-income buyers or renters.
- 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.
- incomparably — 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.
- incorrigibly — 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.