10-letter words containing o, r, a, t, e
- 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.
- aparthotel — a hotel in which self-catering service apartments are available for rent
- 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.
- appointers — Plural form of appointer.
- approbated — Simple past tense and past participle of approbate.
- apterygote — belonging or pertaining to the Apterygota, a subclass of primitive wingless insects that undergo little or no metamorphosis.
- 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.
- arboretums — Plural form of arboretum.
- arborvitae — any of a number of N. American or Far Eastern evergreen conifers, belonging chiefly to the genus Thuja
- archeocyte — (in sponges) a type of amoebocyte capable of developing into other types of cells, especially reproductive cells.
- archontate — an archon's period in office
- arctogaean — of or relating to Arctogaea
- arctophile — a person who collects teddy bears or is fond of them
- arefaction — the act of drying, or a dried condition
- areopagite — a member of the Areopagus, a judicial council of ancient Athens that met on the hill of that name
- argenteous — silvery.
- argyrodite — a rare mineral, Ag8GeS6, that contains silver, germanium, and sulphur
- aristotype — a process of photographic printing in which paper coated with silver chloride in gelatin is used.
- armipotent — strong in arms or war
- aromatized — Simple past tense and past participle of aromatize.
- arrenotoky — parthenogenesis in which only males are produced.
- arrogative — Making undue claims and pretensions; prone to arrogance.
- arse about — to play the fool; act stupidly, esp in an irritating manner
- arsenolite — a mineral, arsenic trioxide, As 2 O 3 , occurring usually as a white incrustation on arsenical ores.
- arteriolar — relating to arterioles or minuscule arteries
- arterioles — Plural form of arteriole.
- arthrodire — any of numerous fishes of the extinct order Arthrodira, widely distributed during the Devonian Period, having the anterior part of the body covered by a shield of bony plates.
- arthromere — any of the segments of the body of an arthropod
- arthrotome — (surgery) A strong scalpel used in the dissection of joints.
- artichokes — Plural form of artichoke.
- arytenoids — Plural form of arytenoid.
- ascorbates — Plural form of ascorbate.
- asperation — The act of asperating; a making or becoming rough.
- assentator — a person who agrees or acquiesces in a compliant or fawning manner
- assertions — Plural form of assertion.
- assertoric — (of a statement) stating a fact, as opposed to expressing an evaluative judgment
- assortment — An assortment is a group of similar things that are of different sizes or colours or have different qualities.
- asteroidal — relating to asteroids
- asteroidea — the class comprising the starfishes.
- astrobleme — a mark on the earth's surface, usually circular, formed by a large ancient meteorite impact
- astrocytes — Plural form of astrocyte.
- astrodomes — Plural form of astrodome.