18-letter words containing p, a, s, t, i
- hippocratic facies — the sallow facial expression, with listless staring eyes, often regarded as denoting approaching death
- histocompatibility — the condition of having antigenic similarities such that cells or tissues transplanted from one (the donor) to another (the recipient) are not rejected.
- histomorphological — histology.
- historical present — the present tense used in narrating a past event as if happening at the time of narration.
- human rights group — a group that campaigns for human rights
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyperaldosteronism — aldosteronism.
- hypercholesteremia — Alternative spelling of hypercholesteraemia.
- hypernationalistic — a person devoted to nationalism.
- hypersensitization — Photography. to treat (a film or emulsion) so as to increase its speed.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- hypogastric artery — iliac artery (def 3).
- hypoparathyroidism — Diminished concentration of parathyroid hormone in the blood, which causes deficiencies of calcium and phosphorus compounds in the blood and results in muscular spasms.
- imploded consonant — a consonant which is pronounced with or by implosion
- in company with sb — If you feel, believe, or know something in company with someone else, you both feel, believe, or know it.
- in comparison with — when compared to
- in the first place — firstly
- independent clause — a clause that can stand alone as a sentence, containing a subject and a predicate with a finite verb, as I was there in the sentence I was there when he arrived.
- industrial dispute — disagreement between workers and managers
- inner automorphism — an automorphism that maps an element x into an element of the form axa −1 where a −1 is the inverse of a.
- inspector of taxes — an official of HMRC whose work is to assess individuals' income tax liability
- inter-relationship — reciprocal relation.
- interest rate swap — An interest rate swap is a contract where two parties exchange the cash flow from interest rates.
- interrelationships — Plural form of interrelationship.
- interstellar space — astronomy: space between the stars
- investment company — a company that invests its funds in other companies and issues its own securities against these investments.
- 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
- isolation hospital — a hospital used to isolate or quarantine people with a contagious disease
- isothermal process — a process that takes place without change in temperature.
- japanese artichoke — Chinese artichoke.
- just (plain) folks — simple and unassuming; not snobbish
- justice department — the United States federal department for enforcing federal laws
- keep at a distance — to be reserved or cool toward; treat aloofly
- knights of pythias — a fraternal order founded in Washington, D.C., in 1864.
- landscape painting — art: depicting natural scenery
- lenticular process — a method for producing images with a three-dimensional effect by photographing on lenticulated film.
- light displacement — the weight of a ship with all its permanent equipment, excluding the weight of cargo, persons, ballast, dunnage, and fuel, but usually including the weight of permanent ballast and water used to operate steam machinery.
- limestone pavement — a horizontal surface of exposed limestone in which the joints have been enlarged, cutting the surface into roughly rectangular blocks
- 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.
- lithostratigraphic — Of or pertaining to lithostratigraphy.
- little spotted cat — a small New World tiger cat, Felis tigrinus, ranging from Costa Rica to northern Argentina.
- logarithmic spiral — log r = aθ
- logical positivism — a philosophical movement that stresses the function of philosophy as a method of criticizing and analyzing science and that rejects all transcendental metaphysics, statements of fact being held to be meaningful only if they have verifiable consequences in experience and in statements of logic, mathematics, or philosophy itself, and with such statements of fact deriving their validity from the rules of language.
- logical positivist — an exponent or follower of logical positivism
- malpighian tubules — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
- maritime provinces — region in Canada
- maternity hospital — birthing facility
- metamorphic facies — Geology. a group of metamorphic rock units characterized by particular mineralogic associations.
- methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.