18-letter words containing a, p, r, i, s, l
- false imprisonment — the unlawful restraint of a person from exercising the right to freedom of movement.
- farewell-to-spring — a slender, showy plant, Clarkia amoena, of the evening primrose family, native to western North America, having satiny, cup-shaped, lilac-crimson or reddish-pink flowers and roundish fruit.
- fermat's principle — Optics. the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time.
- funeral procession — ceremonial cortège at a burial
- general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
- geometrical optics — the branch of optics dealing with light as rays, especially in the study of the effects of lenses and mirrors on light beams and of their combination in optical instruments.
- giuseppe garibaldi — Giuseppe [juh-sep-ee;; Italian joo-zep-pe] /dʒəˈsɛp i;; Italian dʒuˈzɛp pɛ/ (Show IPA), 1807–82, Italian patriot and general.
- hamilton's problem — Hamiltonian problem
- helicopter station — a place where helicopters are kept in readiness for use
- hilary of poitiers — Saint, a.d. c300–368, French bishop and theologian.
- histomorphological — histology.
- historical present — the present tense used in narrating a past event as if happening at the time of narration.
- hyperaldosteronism — aldosteronism.
- hypercholesteremia — Alternative spelling of hypercholesteraemia.
- hypernationalistic — a person devoted to nationalism.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
- impressionableness — The quality of being impressionable.
- in praise of folly — Latin Moriae Encomium. a prose satire (1509) by Erasmus, written in Latin and directed against theologians and church dignitaries.
- in the first place — firstly
- industrial dispute — disagreement between workers and managers
- inter-relationship — reciprocal relation.
- interrelationships — Plural form of interrelationship.
- interstellar space — astronomy: space between the stars
- iron (ii) sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- irreproachableness — The quality or state of being irreproachable; integrity; innocence.
- isothermal process — a process that takes place without change in temperature.
- learned profession — any of the three vocations of theology, law, and medicine, commonly held to require highly advanced learning. Compare profession (def 1).
- lenticular process — a method for producing images with a three-dimensional effect by photographing on lenticulated film.
- linear perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
- lipopolysaccharide — any of a class of polysaccharides to which lipids are attached.
- lithostratigraphic — Of or pertaining to lithostratigraphy.
- logarithmic spiral — log r = aθ
- louisiana purchase — a treaty signed with France in 1803 by which the U.S. purchased for $15,000,000 the land extending from the Mississippi River to the Rocky Mountains and from Canada to the Gulf of Mexico.
- marsilius of padua — c1280–1343? Italian scholar and political theorist.
- maternity hospital — birthing facility
- medical profession — the body of people who work as doctors of medicine
- methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
- microencapsulation — the process of enclosing chemical substances in microcapsules.
- mineral supplement — a pill containing minerals that you take to improve your health
- misplaced modifier — Grammar. a word, phrase, or clause that seems to refer to or modify an unintended word because of its placement in a sentence, as when young in When young, circuses appeal to all of us.
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- mucopolysaccharide — (formerly) glycosaminoglycan.
- my lips are sealed — If you tell someone that your lips are sealed, you are promising them that you will keep a secret that they have told you.
- natural philosophy — natural science.
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- neuroleptanalgesia — a semiconscious nonreactive state induced by certain drug combinations, as fentanyl with droperidol.
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.