12-letter words containing a, r, e, c, o
- hexachloride — a chloride containing six atoms of chlorine.
- hierocracies — Plural form of hierocracy.
- hierographic — of or relating to hierographs
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- hippocentaur — Centaur.
- hippocrepian — (of an aquatic organism or plant) shaped like a horseshoe
- hire company — a company that hires things out to people
- home teacher — private tutor
- 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 racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- horse-collar — (especially in baseball) a score of zero.
- housecleaner — Someone employed to clean a house.
- hovering act — an act forbidding or restricting the loitering of foreign or domestic vessels within the prescribed limits of a coastal nation.
- hydnocarpate — a salt or ester of hydnocarpic acid.
- 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.
- hydrocracker — a high-pressure processing unit used for hydrocracking.
- 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.
- hyperchaotic — Of or pertaining to hyperchaos.
- hypercoaster — Megacoaster.
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hyperreactor — a person who behaves in a hyperreactive manner
- hypersarcoma — a growth of proud or fungous flesh
- hypersomniac — a tendency to sleep excessively.
- hypoallergic — Hypoallergenic.
- hypothecator — to pledge to a creditor as security without delivering over; mortgage.
- iatrochemist — a person who practises iatrochemistry
- icosahedrons — Plural form of icosahedron.
- importancies — Plural form of importancy.
- imprecations — Plural form of imprecation.
- in charge of — having responsibility for
- in search of — looking for, seeking
- in your face — involving confrontation; defiant; provocative.
- in-your-face — involving confrontation; defiant; provocative.
- incarcerator — A person who incarcerates.
- incineration — to burn or reduce to ashes; cremate.
- incinerators — Plural form of incinerator.
- incomparable — beyond comparison; matchless or unequaled: incomparable beauty.
- inconversant — Not conversant or acquainted (with something); unfamiliar.
- incoordinate — not coordinate; not coordinated.
- incorporable — able to be incorporated.
- incorporated — legally incorporated, as a company.
- incorporates — Third-person singular simple present indicative form of incorporate.
- indoctrinate — to instruct in a doctrine, principle, ideology, etc., especially to imbue with a specific partisan or biased belief or point of view.
- infomercials — Plural form of infomercial.
- informercial — infomercial.
- inobservance — lack of attention; inattention; heedlessness: drowsy inobservance.
- inoperculate — having no operculum.