14-letter words containing s, i, t, o, l
- optical isomer — any of two or more isomers exhibiting optical isomerism.
- optimistically — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- oral eroticism — libidinal pleasure derived from the lips and mouth, for example by kissing
- orbital sander — a sander that uses a section of sandpaper clamped to a metal pad that moves at high speed in a very narrow orbit, driven by an electric motor.
- organisational — (British) alternative spelling of organizational.
- ornithologists — Plural form of ornithologist.
- orthoselection — orthogenesis (def 1a).
- osmoregulation — the process by which cells and simple organisms maintain fluid and electrolyte balance with their surroundings.
- ostentatiously — characterized by or given to pretentious or conspicuous show in an attempt to impress others: an ostentatious dresser.
- osteogenically — By osteogenesis.
- osteologically — Concerning only the osteological aspects.
- osteosclerosis — abnormal hardening and increase in density of bone.
- osteosclerotic — abnormal hardening and increase in density of bone.
- outlandishness — The quality of being outlandish.
- outside toilet — a toilet or lavatory which is located outdoors or in an outdoor cubicle
- over-stimulate — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- overcautiously — in such a way as to be too cautious, wary, or careful
- oversolicitous — too solicitous: oversolicitous concerning one's health.
- overspill town — a town built or expanded to house excess population from a nearby city
- ownership flat — a flat owned by the occupier
- palaebiologist — a person who studies or is an expert in palaebiology
- paleobiologist — the branch of paleontology dealing with fossil life forms, especially with reference to their origin, structure, evolution, etc.
- paleoecologist — the branch of ecology dealing with the relations and interactions between ancient life forms and their environment.
- paleomagnetism — Geology. magnetic polarization acquired by the minerals in a rock at the time the rock was deposited or solidified.
- paleontologist — the science of the forms of life existing in former geologic periods, as represented by their fossils.
- papillomatosis — a benign tumor of the skin or mucous membrane consisting of hypertrophied epithelial tissue, as a wart.
- party politics — politics based on strict adherence to the policies and principles of a political party regardless of the public interest; partisan loyalism.
- pasteurellosis — hemorrhagic septicemia.
- patrialisation — the process of patrialising
- pay for itself — If something that you buy or invest in pays for itself after a period of time, the money you gain from it, or save because you have it, is greater than the amount you originally spent or invested.
- pay television — a commercial service that broadcasts or provides television programs to viewers who pay a monthly charge or a per-program fee.
- peacock's tail — a handsome brown seaweed, Padina pavonia (though coloured yellow-olive, red, and green) whose fan-shaped fronds have concentric bands of iridescent hairs
- peritrichously — in a peritrichous manner; in a fashion characteristic of a peritrichous organism
- persian violet — any of several plants belonging to the genus Exacum, native to the Old World, as E. affine, having glossy, ovate leaves, and fragrant, bluish flowers: cultivated as a houseplant.
- pertinaciously — holding tenaciously to a purpose, course of action, or opinion; resolute.
- petrochemicals — substances, such as acetone or ethanol, obtained from petroleum or natural gas
- petrol station — A petrol station is a garage by the side of the road where petrol is sold and put into vehicles.
- phallocentrism — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- pharmacologist — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopolist — a person who sells pharmaceutical products
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- philanthropist — a person who practices philanthropy.
- philosophaster — a person who has only a superficial knowledge of philosophy or who feigns a knowledge he or she does not possess.
- philosophistic — relating to a person who affects philosophical knowledge or to an affectation to philosophical knowledge or the action or enjoyment of carrying this out
- phosphorolytic — of or relating to phosphorolysis
- photocatalysis — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photogeologist — a person who studies or has a profession in photogeology
- photoluminesce — to produce photoluminescence
- photorealistic — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
- phyllosilicate — any silicate mineral having the tetrahedral silicate groups linked in sheets, each group containing four oxygen atoms, three of which are shared with other groups so that the ratio of silicon atoms to oxygen atoms is two to five.