13-letter words containing o, p, s
- 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
- be spoken for — If a person or thing is spoken for or has been spoken for, someone has claimed them or asked for them, so no-one else can have them.
- beast of prey — any animal that hunts other animals for food
- bespottedness — the state of being covered with spots or blemishes
- bibliophagist — a person who devours books
- biopsychology — a field of psychology that deals with the effects of biological factors on behavior.
- biospeleology — the study of organisms that live in caves.
- bishop sleeve — a full sleeve gathered at the wrist
- bishop violet — a reddish purple.
- bishop's ring — a reddish-brown corona occasionally seen around the sun, caused by volcanic dust in the atmosphere.
- bishop's weed — goutweed.
- bishop's-weed — goutweed.
- blasphemously — uttering, containing, or exhibiting blasphemy; irreverent; profane.
- bledisloe cup — a trophy competed for, usually annually, by New Zealand and Australia since 1932
- 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.
- body shopping — the purchasing of manpower from another country, usually one where wages are cheap
- 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.
- book scorpion — any of various small arachnids of the order Pseudoscorpionida (false scorpions), esp Chelifer cancroides, which are sometimes found in old books, etc
- boring sponge — any of a family (Clionidae) of sponges that settle on and dissolve the shells of clams
- bosch process — an industrial process for manufacturing hydrogen by the catalytic reduction of steam with carbon monoxide
- boustrophedon — having alternate lines written from right to left and from left to right
- 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.