10-letter words containing o, r, i
- anti-tumor — a swollen part; swelling; protuberance.
- antiarmour — designed or equipped to combat armoured vehicles
- antibaryon — the antiparticle of any of the baryons
- anticorona — a luminous edging around the shadow of an observer or the point where his or her shadow would fall, as thrown by the sun upon a cloud or fog bank.
- antidromic — (of nerve fibres) conducting nerve impulses in a direction opposite to normal
- antierotic — discouraging sexual desire
- antifogger — an antifoggant.
- antigorite — a variety of serpentine occurring in a brownish-green lamellar form.
- antigrowth — acting to restrict or prevent growth
- antiheroes — Plural form of antihero.
- antiheroic — relating to or in the manner of an antihero
- antimodern — opposed to modern attitudes
- antiphonar — Alternative form of antiphonary.
- antiphoner — An antiphonal.
- antiporter — a membrane protein that transports substances across cell membranes
- antiproton — the antiparticle of the proton; a particle having the same mass as the proton but an equal and opposite charge
- 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.
- antitumour — preventing or acting against tumours
- aphoristic — of, relating to, or resembling an aphorism
- aphorizing — Present participle of aphorize.
- aphrodisia — the desire for sexual intimacy
- 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)
- apotropaic — preventing or intended to prevent evil
- 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.
- applicator — An applicator is a device that you use to put something somewhere when you do not want to touch it or do it with your hands.
- appointers — Plural form of appointer.
- appointors — Plural form of appointor.
- apportions — Third-person singular simple present indicative form of apportion.
- approximal — situated side by side; close together
- aprication — the act of sunbathing or basking in the sun
- april fool — An April Fool is a trick that is played on April Fool's Day.
- aquafortis — concentrated nitric acid, used for etching
- aquaporins — Plural form of aquaporin.
- aquiferous — conveying, containing or yielding water
- arachnoids — Plural form of arachnoid.
- aragonitic — relating to aragonite
- arbitrator — a person selected to judge a dispute; arbiter, esp. one, as in collective bargaining negotiations, named with the consent of both sides
- arboriform — Resembling a tree in shape or appearance.
- 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;
- archbishop — In the Roman Catholic, Orthodox, and Anglican Churches, an archbishop is a bishop of the highest rank, who is in charge of all the bishops and priests in a particular country or region.
- archegonia — the female reproductive organ in ferns, mosses, etc.
- archeozoic — early Precambrian; Archean