10-letter words containing o, r, n, a, t
- 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.
- antitumour — preventing or acting against tumours
- antrostomy — (surgery) Incision and drainage of the antrum.
- apoprotein — any conjugated protein from which the prosthetic group has been removed, such as apohaemoglobin (the protein of haemoglobin without its haem group)
- apparation — (obsolete) A preparation.
- apparition — An apparition is someone you see or think you see but who is not really there as a physical being.
- appointers — Plural form of appointer.
- appointors — Plural form of appointor.
- apportions — Third-person singular simple present indicative form of apportion.
- aprication — the act of sunbathing or basking in the sun
- aragonitic — relating to aragonite
- archontate — an archon's period in office
- arctogaean — of or relating to Arctogaea
- arefaction — the act of drying, or a dried condition
- argenteous — silvery.
- armipotent — strong in arms or war
- arrenotoky — parthenogenesis in which only males are produced.
- arrogantly — making claims or pretensions to superior importance or rights; overbearingly assuming; insolently proud: an arrogant public official.
- arrogating — Present participle of arrogate.
- arrogation — to claim unwarrantably or presumptuously; assume or appropriate to oneself without right: to arrogate the right to make decisions.
- arsenolite — a mineral, arsenic trioxide, As 2 O 3 , occurring usually as a white incrustation on arsenical ores.
- arytenoids — Plural form of arytenoid.
- ascription — the act of ascribing
- asperation — The act of asperating; a making or becoming rough.
- aspiration — Someone's aspirations are their desire to achieve things.
- assentator — a person who agrees or acquiesces in a compliant or fawning manner
- assertions — Plural form of assertion.
- assortment — An assortment is a group of similar things that are of different sizes or colours or have different qualities.
- astriction — to bind fast; constrain.
- astrionics — the science dealing with the application of electronics to astronautics.
- astromancy — divination by means of the stars.
- astronauts — Plural form of astronaut.
- astronomer — An astronomer is a scientist who studies the stars, planets, and other natural objects in space.
- astronomic — of, relating to, or connected with astronomy.
- atef-crown — a symbolic headdress of certain Egyptian gods, as Osiris, and of Egyptian kings, consisting of a tall conical cap flanked by two plumes and bearing representations of the uraeus and the sun.
- atropatene — Media Atropatene.
- atrophying — Also, atrophia [uh-troh-fee-uh] /əˈtroʊ fi ə/ (Show IPA). Pathology. a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.
- attenuator — any device designed to reduce the power of a wave or electrical signal without distorting it
- attornment — (feudal legal) The consent of a tenant to the transfer of his relationship to his landlord to another person.
- attraction — An attraction is a feature which makes something interesting or desirable.
- au courant — up-to-date, esp in knowledge of current affairs
- auctionary — of or relating to auctions or auctioneers
- auctioneer — An auctioneer is a person in charge of an auction.
- auditioner — a person who attends an audition
- auguration — The practice of augury.
- autowinder — a battery-operated device for advancing the film in a camera automatically after each exposure
- aversation — (obsolete) A turning from with dislike; aversion.
- axonometry — the branch of crystallography concerned with measurement of the axes of crystals
- bargestone — any of several stones forming the sloping edge of a gable.
- baronetage — the order of baronets; baronets collectively