10-letter words containing r, e, a, o
- announcers — Plural form of announcer.
- anoestrous — anestrous.
- anonymizer — (Internet) A software tool that attempts to make a user's Internet activity untraceable by acting as a proxy.
- anorectics — Plural form of anorectic.
- anorexiant — a substance, as a drug, for causing loss of appetite.
- anseriform — (ornithology) Of or pertaining to birds of the family Anseriformes including ducks, geese, swans, and screamers.
- answer for — If you have to answer for something bad or wrong you have done, you are punished for it.
- antecessor — a predecessor; someone who goes or has gone before
- antemortem — made or done just before one's death
- anteriorly — in an anterior position
- anthophore — an elongation of the receptacle of a flower between the calyx and corolla
- antierotic — discouraging sexual desire
- antifogger — an antifoggant.
- antigorite — a variety of serpentine occurring in a brownish-green lamellar form.
- antiheroes — Plural form of antihero.
- antiheroic — relating to or in the manner of an antihero
- antimodern — opposed to modern attitudes
- antiphoner — An antiphonal.
- antiporter — a membrane protein that transports substances across cell membranes
- antireform — opposed to reform
- antismoker — a person opposed to tobacco smoking
- antiterror — Denoting political activities or measures designed to prevent or thwart terrorism.
- antitorque — Describing the rotor on the tail of a helicopter that prevents the helicopter from spinning in a direction opposite to that of the main rotor blades.
- any longer — anymore
- aparthotel — a hotel in which self-catering service apartments are available for rent
- apishamore — A saddle-blanket, a saddle blanket.
- apologiser — Agent noun of apologise; one who apologises.
- apologizer — to offer an apology or excuse for some fault, insult, failure, or injury: He apologized for accusing her falsely.
- apoprotein — any conjugated protein from which the prosthetic group has been removed, such as apohaemoglobin (the protein of haemoglobin without its haem group)
- apostrophe — An apostrophe is the mark ' when it is written to indicate that one or more letters have been left out of a word, as in 'isn't' and 'we'll'. It is also added to nouns to form possessives, as in 'Mike's car'.
- apothecary — An apothecary was a person who prepared medicines for people.
- apple core — the inedible part of an apple which contains the pips
- appointers — Plural form of appointer.
- approached — to come near or nearer to: The cars slowed down as they approached the intersection.
- approacher — to come near or nearer to: The cars slowed down as they approached the intersection.
- approaches — Plural form of approach.
- approbated — Simple past tense and past participle of approbate.
- approvable — able to be approved
- approvance — approval
- approvedly — So as to secure approbation; in an approved manner.
- apterygote — belonging or pertaining to the Apterygota, a subclass of primitive wingless insects that undergo little or no metamorphosis.
- aquiferous — conveying, containing or yielding water
- araeometer — a hydrometer
- araeometry — the science of estimating the specific gravity of fluids through the use of an araeometer
- araeostyle — having an intercolumniation of four diameters.
- arboreally — in trees or by trees
- arboresque — a tree.
- arboretums — Plural form of arboretum.
- arborvitae — any of a number of N. American or Far Eastern evergreen conifers, belonging chiefly to the genus Thuja
- arc cosine — Trigonometry. the angle, measured in radians, that has a cosine equal to a given number. Symbol: cos −1. Abbreviation: arc cos;