13-letter words containing a, p, o
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- astrophysical — Of or pertaining to astrophysics.
- at knifepoint — If you are attacked or robbed at knifepoint, someone threatens you with a knife while they attack or steal from you.
- at this point — at this moment in time
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atomic weapon — a weapon in which energy is provided by nuclear fission
- auction pitch — a variety of all fours in which players bid to determine the trump or pitch.
- audiographics — audiographic teleconferencing
- 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.
- 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.
- 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
- 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.
- 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 poplar — a poplar tree, Populus balsamifera, of NE North America, having resinous buds and broad heart-shaped leaves
- bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
- barber's pole — a sign outside a barber's shop consisting of a pole painted with red and white spiral stripes
- barbershopper — a member of a barbershop singing group.
- baroreceptors — Plural form of baroreceptor.
- base hospital — a hospital serving a large rural area
- basic process — Military. basic training. a soldier or airman receiving basic training.
- basidiospores — Plural form of basidiospore.
- bass response — the response of an audio reproduction system or component to low frequencies
- batch-process — to perform batch processing on (files)
- bay of naples — an inlet of the Tyrrhenian Sea in the SW coast of Italy
- bay of plenty — a large bay of the Pacific on the NE coast of the North Island, New Zealand
- beast of prey — any animal that hunts other animals for food
- beauty parlor — A beauty parlor is a place where women can go to have beauty treatments, for example, to have their hair, nails, or makeup done.
- benthopelagic — relating to species living at the bottom of the sea
- beta receptor — a receptor, found on the surface of some cells of the sympathetic nervous system, that is stimulated by certain adrenergic substances: such stimulation results in certain physiological responses, such as acceleration of the action of the heart and dilatation of the arteries supplying heart and skeletal muscles
- beta-naphthol — either of two isomeric hydroxyl derivatives, C 1 0 H 7 OH, of naphthalene (alpha-naphthol or 1-naphthol and beta-naphthol or 2-naphthol) white or yellowish crystals, with a phenolic odor, that darken on exposure to light: used chiefly in dyes, drugs, perfumes, and insecticides.
- beta-receptor — a site on a cell, as of the heart, that, upon interaction with epinephrine or norepinephrine, controls heartbeat and heart contractability, vasodilation, smooth muscle inhibition, and other physiological processes.
- bibliographer — an expert in bibliography
- bibliographic — a complete or selective list of works compiled upon some common principle, as authorship, subject, place of publication, or printer.
- bibliophagist — a person who devours books
- bibliotherapy — the use of reading as therapy
- binary weapon — a chemical weapon consisting of a projectile containing two substances separately that mix to produce a lethal agent when the projectile is fired