13-letter words containing o, p, s, i
- apperceptions — Plural form of apperception.
- appersonation — the unconscious assumption of the personality characteristics of another, usually well known, person.
- appoggiaturas — Plural form of appoggiatura.
- appreciations — Plural form of appreciation.
- apprehensions — Plural form of apprehension.
- appropriators — Plural form of appropriator.
- april showers — showers falling in April, generally considered a showery month
- apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
- archbishopric — the rank, office, or jurisdiction of an archbishop
- archipelagoes — Plural form of archipelago.
- arthroscopies — Plural form of arthroscopy.
- ascoli piceno — a town in E central Italy, in the Marches: capital of the Roman province of Picenum; site of the massacre of all its Roman citizens in the Social War in 90 bc. Pop: 51 375 (2001)
- aspergillosis — a rare fungal infection, esp of the mucous membranes or lungs, caused by various species of Aspergillus
- aspirationals — Plural form of aspirational.
- associateship — to connect or bring into relation, as thought, feeling, memory, etc.: Many people associate dark clouds with depression and gloom.
- assumptionist — Augustinian of the Assumption.
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- astrophysical — Of or pertaining to astrophysics.
- at this point — at this moment in time
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- audiographics — audiographic teleconferencing
- 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
- 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.
- 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.
- bledisloe cup — a trophy competed for, usually annually, by New Zealand and Australia since 1932
- 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
- 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.
- caesaropapism — the theory that the state should have authority over the church in ecclesiastical matters; Erastianism
- campanologist — the principles or art of making bells, bell ringing, etc.
- 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.