13-letter words containing a, p, e, r, i
- antiparticles — Plural form of antiparticle.
- antipersonnel — (of weapons, etc) designed to cause casualties to personnel rather than to destroy equipment or defences
- antiphonaries — Plural form of antiphonary.
- aperiodically — In an aperiodic way.
- aperitif-wine — a small drink of alcoholic liquor taken to stimulate the appetite before a meal.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- apheliotropic — growing in a direction away from the sunlight
- apicoalveolar — articulated with the tip of the tongue in contact with or in approximation to the alveolar ridge.
- apogeotropism — negative geotropism, as shown by plant stems
- apoplectiform — of or resembling apoplexy or stroke.
- apostrophized — Simple past tense and past participle of apostrophize.
- apostrophizes — Third-person singular simple present indicative form of apostrophize.
- apparent time — Astronomy. local time measured by the hour angle of the sun.
- apparent wind — (wind), the velocity of air as measured from a moving object, as a ship.
- apperceptions — Plural form of apperception.
- appersonation — the unconscious assumption of the personality characteristics of another, usually well known, person.
- apple fritter — a piece of apple covered in batter and deep fried
- apportionable — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportionment — the act of apportioning
- appreciatable — (chiefly,esthetics) That can be appreciated or enjoyed.
- appreciations — Plural form of appreciation.
- apprehensible — capable of being comprehended or grasped mentally
- apprehensibly — In an apprehensive manner; cautiously.
- apprehensions — Plural form of apprehension.
- apprenticeage — (obsolete) Apprenticeship.
- appropinquate — to approach
- appropriately — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriative — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximately — close to; around; roughly or in the region of
- approximative — (of a method, description, etc.) giving only an approximation to something.
- april showers — showers falling in April, generally considered a showery month
- arachnephobia — Misspelling of arachnophobia.
- archipelagoes — Plural form of archipelago.
- 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.
- aspergillosis — a rare fungal infection, esp of the mucous membranes or lungs, caused by various species of Aspergillus
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- austrian pine — an evergreen tree, Pina nigra austriaca
- 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.
- bacteriophage — a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released
- bacteriophagy — the action of a bacteriophage
- bacterioscopy — the examination of bacteria with a microscope.
- baking powder — Baking powder is an ingredient used in cake making. It causes cakes to rise when they are in the oven.
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- banana spider — a large, yellowish, tropical crab spider (Heteropoda venatoria) occasionally found in bunches of bananas shipped to the Temperate Zones
- bandspreading — an additional tuning control in some radio receivers whereby a selected narrow band of frequencies can be spread over a wider frequency band, in order to give finer control of tuning
- bargain price — a low price