15-letter words containing a, p, r, o, i, b
- nonbiographical — not biographical, not relating to biography or events in a person's life
- nullarbor plain — a treeless, semiarid area of S Australia, contiguous to the Great Australian Bight.
- operating table — table on which surgery is performed
- orthopaedic bed — a specially firm bed designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- parti québécois — (in Canada) a political party in Quebec, formed in 1968 and originally advocating the separation of Quebec from the rest of the country
- pattern bombing — aerial bombing in which bombs are dropped on a target in a predetermined pattern.
- perissosyllabic — (of a line of verse) containing more syllables than expected for the metre being used
- portable pixmap — (file format) (PPM) A colour image file format. A PPM file contains the following: a two character "{magic number}" - "P3", the width in pixels, the height in pixels, the maximum colour component value, HEIGHT rows of WIDTH {pixels}. The rows are ordered from top to bottom with the pixels in each row ordered from left to right. Each pixel is represented as three values for red, green, and blue. All parts are separated by whitespace and numbers are in decimal ASCIII representation. A zero pixel component means that colour is absent. Characters from a "#" to the next end-of-line are ignored and no line should be longer than 70 characters. Here is an example of a small pixmap in this format: P3 # feep.ppm 4 4 15 0 0 0 0 0 0 0 0 0 15 0 15 0 0 0 0 15 7 0 0 0 0 0 0 0 0 0 0 0 0 0 15 7 0 0 0 15 0 15 0 0 0 0 0 0 0 0 0 A "RAWBITS" variant has magic number "P6", pixel values are stored as plain binary bytes, instead of ASCII decimal and no whitespace is allowed after a single whitespace character after the maximum colour component value which must be less than or equal to 255.
- post-liberation — the act of liberating or the state of being liberated.
- pre-celebration — an act of celebrating.
- primary rainbow — the most commonly seen rainbow, formed by light rays that undergo a single internal reflection in a drop of water.
- prism binocular — Usually, prism binoculars. Optics. binocular (def 1).
- prisoner's base — any of various children's games in which each of two teams has a home base where members of the opposing team are kept prisoner after being tagged or caught and from which they can be freed only in specified ways.
- pro-abortionist — pro-choice.
- probation order — an order imposed by a magistrate or judge under which an offender is sentenced to probation rather than imprisonment
- probationership — the position of a probationer
- probit equation — A probit equation is used to quantify the relationship between the concentration of a dangerous material and its effect on people.
- problematically — of the nature of a problem; doubtful; uncertain; questionable.
- programmability — capable of being programmed.
- promotion board — group that markets or advertises sth
- psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
- public lavatory — a public toilet
- pulmobranchiate — possessing a pulmobranch
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- self-absorption — preoccupation with oneself or one's own affairs.
- shock probation — the release on probation of a criminal after brief imprisonment
- spermatoblastic — relating to a spermatoblast
- spiral notebook — a notebook held together by a coil of wire passed through small holes punched at the back edge of the covers and individual pages
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- streptobacillus — any of various bacilli that form in chains.
- sub-corporation — an association of individuals, created by law or under authority of law, having a continuous existence independent of the existences of its members, and powers and liabilities distinct from those of its members. See also municipal corporation, public corporation.
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subprofessional — being below professional standards: subprofessional health care.
- umbrella policy — An umbrella policy is a policy that provides excess limits and gives additional excess coverage over the normal limits and coverage of liability policies.
- uncompromisable — that cannot or should not be compromised
- uncopyrightable — not able to be copyrighted
- upward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- upwardly mobile — See under vertical mobility (def 1).