13-letter words containing a, p
- at knifepoint — If you are attacked or robbed at knifepoint, someone threatens you with a knife while they attack or steal from you.
- at peace with — If you are at peace with yourself or at peace with the world, you feel calm and contented, and you have no emotional conflicts within yourself or with other people.
- at this point — at this moment in time
- atlantic pact — North Atlantic Treaty.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atomic weapon — a weapon in which energy is provided by nuclear fission
- atypicalities — not typical; not conforming to the type; irregular; abnormal: atypical behavior; a flower atypical of the species.
- auction pitch — a variety of all fours in which players bid to determine the trump or pitch.
- 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.
- autocephalous — (of an Eastern Christian Church) governed by its own national synods and appointing its own patriarchs or prelates
- autographical — Relating to, or used in, the process of autography.
- automatograph — a device for recording involuntary bodily movements.
- autopolyploid — (of cells, organisms, etc) having more than two sets of haploid chromosomes inherited from a single species
- 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 elephant — a very young elephant
- 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.
- bacillophobia — The fear of microbes. Also known as germaphobia.
- back clipping — a word formed by omitting the last part of the form from which it is derived.
- back pressure — the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine
- back-slapping — Back-slapping is noisy, cheerful behaviour which people use in order to show affection or appreciation to each other.
- back-up light — a light on the rear of a motor vehicle to warn others that the vehicle is being reversed
- 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.
- backing group — a group of musicians providing an instrumental or vocal accompaniment for a pop singer
- backpedalling — to retard the forward motion by pressing backward on the pedal, especially of a bicycle with coaster brakes.
- backspace key — a key on a typewriter or computer keyboard that makes the carriage or cursor move backwards one space
- 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.
- badminton cup — a long refreshing drink of claret with soda water and sugar
- baking powder — Baking powder is an ingredient used in cake making. It causes cakes to rise when they are in the oven.
- balanced step — any of a series of staircase winders so planned that they are nearly as wide at the inside of the stair as the adjacent fliers.
- balch springs — a town in NE Texas.
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- balneotherapy — the treatment of disease by bathing, esp to improve limb mobility in arthritic and neuromuscular disorders
- balsam capivi — copaiba.
- balsam poplar — a poplar tree, Populus balsamifera, of NE North America, having resinous buds and broad heart-shaped leaves
- balsam spruce — either of two North American coniferous trees of the genus Picea, P. pungens (the blue spruce) or P. engelmanni
- banana spider — a large, yellowish, tropical crab spider (Heteropoda venatoria) occasionally found in bunches of bananas shipped to the Temperate Zones
- band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules
- banded purple — any color having components of both red and blue, such as lavender, especially one deep in tone.
- 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
- bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
- barbary sheep — aoudad
- barber's pole — a sign outside a barber's shop consisting of a pole painted with red and white spiral stripes