13-letter words containing p, r
- appropinquity — nearness
- appropriately — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriating — Present participle of appropriate.
- appropriation — An appropriation is an amount of money that a government or organization reserves for a particular purpose.
- appropriative — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriators — Plural form of appropriator.
- approval code — An approval code is a PIN or other verification code needed to authorize a payment going through the cash register.
- approximately — close to; around; roughly or in the region of
- approximating — Present participle of approximate.
- approximation — An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
- approximative — (of a method, description, etc.) giving only an approximation to something.
- appurtenances — accessories or equipment
- april showers — showers falling in April, generally considered a showery month
- apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
- arachnephobia — Misspelling of arachnophobia.
- arachniphobia — Alternative form of arachnophobia.
- arachnophobia — an abnormal fear of spiders
- arachnophobic — an abnormal or pathological fear of spiders.
- archaeopteryx — any of several extinct primitive birds constituting the genus Archaeopteryx, esp A. lithographica, which occurred in Jurassic times and had teeth, a long tail, well-developed wings, and a body covering of feathers
- archbishopric — the rank, office, or jurisdiction of an archbishop
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- archipelagoes — Plural form of archipelago.
- arithmophobia — the fear of numbers
- armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
- armour-plated — An armour-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- arteriography — the X-ray examination of an artery or arterial system after injection of a contrast medium into the bloodstream
- arthroscopies — Plural form of arthroscopy.
- aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
- asexual spore — a spore that is the result of asexual reproduction
- aspartic acid — nonessential amino acid that is a component of proteins and acts as a neurotransmitter
- aspergillosis — a rare fungal infection, esp of the mucous membranes or lungs, caused by various species of Aspergillus
- asphalt paper — paper treated with asphalt, as to increase toughness or water resistance.
- aspirationals — Plural form of aspirational.
- asthenosphere — a thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- astrophysical — Of or pertaining to astrophysics.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- audiographics — audiographic teleconferencing
- austrian pine — an evergreen tree, Pina nigra austriaca
- autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
- autobiography — Your autobiography is an account of your life, which you write yourself.
- autographical — Relating to, or used in, the process of autography.
- automatograph — a device for recording involuntary bodily movements.
- autoprojector — (theory) A self-applicable partial evaluator.
- autoresponder — A program that automatically generates a set response to all messages sent to a particular e-mail address.
- average speed — a scalar measure of the rate of movement of a body expressed as the distance travelled divided by the time taken
- awe-inspiring — If you describe someone or something as awe-inspiring, you are emphasizing that you think that they are remarkable and amazing, although sometimes rather frightening.
- baby primrose — a tender primrose, Primula forbesii, native to China and Burma, having white, hairy leaves and rose- or lilac-colored flowers with a yellow center.
- back pressure — the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine
- backdoor play — an offensive tactic whereby a player breaks away from a defender to receive a pass near the baseline in order to make a quick layup.