13-letter words containing a, s, p, o
- 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.
- bacterioscopy — the examination of bacteria with a microscope.
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- balsam poplar — a poplar tree, Populus balsamifera, of NE North America, having resinous buds and broad heart-shaped leaves
- 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
- beast of prey — any animal that hunts other animals for food
- bibliophagist — a person who devours books
- blasphemously — uttering, containing, or exhibiting blasphemy; irreverent; profane.
- blepharoplast — a cylindrical cytoplasmic body in protozoa
- blepharospasm — spasm of the muscle of the eyelids, causing the eyes to shut tightly, either as a response to painful stimuli or occurring as a form of dystonia
- blue copperas — a salt, copper sulfate, CuSO 4 ⋅5H 2 O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.
- boarding pass — A boarding pass is a card that a passenger must have when boarding a plane or a boat.
- bomb disposal — Bomb disposal is the job of dealing with bombs which have not exploded, by taking out the fuse or by blowing them up in a controlled explosion.
- brachypterous — having very short or incompletely developed wings
- breast pocket — The breast pocket of a man's coat or jacket is a pocket, usually on the inside, next to his chest.
- bring to pass — to cause to happen
- broca-aphasia — a type of aphasia caused by a lesion in Broca's area of the brain, characterized by misarticulated speech and lack of grammatical morphemes.
- buffalo chips — the dried dung of buffalo used as fuel, especially by early settlers on the western plains.
- cacophonously — In a cacophonous manner.
- caesaropapism — the theory that the state should have authority over the church in ecclesiastical matters; Erastianism
- camerapersons — Plural form of cameraperson.
- campanologist — the principles or art of making bells, bell ringing, etc.
- camphoraceous — similar to camphor
- camping stool — a stool which is suitable for use in temporary quarters, on holiday, etc, esp by being portable and easy to set up
- camping stove — a portable stove powered by butane gas canisters, designed to be used for cooking while camping
- campus police — police officers, security guards or students employed by a college or university to patrol the campus and to protect students, staff, and visitors
- capaciousness — capable of holding much; spacious or roomy: a capacious storage bin.
- capital goods — Capital goods are used to make other products. Compare consumer goods.
- capital stock — the par value of the total share capital that a company is authorized to issue
- capitulations — Plural form of capitulation.
- capsaicinoids — Plural form of capsaicinoid.
- capsulization — The act or process of capsulizing.
- carbolic soap — a disinfectant soap containing phenol
- cardiopathies — Plural form of cardiopathy.
- cartographers — Plural form of cartographer.
- cartoon strip — A cartoon strip is a series of drawings that tells a story.
- case in point — a specific, appropriate, or relevant instance or example
- case soap iii — Version of SOAP assembly language for IBM 650. Listed in CACM 2(5):16 (May 1959).
- catastrophise — Alt form catastrophize.
- catastrophism — an old doctrine, now discarded, that the earth was created and has subsequently been shaped by sudden divine acts which have no logical connection with each other rather than by gradual evolutionary processes
- catastrophist — the doctrine that certain vast geological changes in the earth's history were caused by catastrophes rather than gradual evolutionary processes.
- catastrophize — (obsolete) To end a comedy.