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18-letter words containing e, p, a, y

  • management company — a company that manages a unit trust
  • many happy returns — When it is someone's birthday, people sometimes say 'Many happy returns' to them as a way of greeting them.
  • market opportunity — a situation in which a company can meet an unsatisfied customer need before its competitors
  • maternity hospital — birthing facility
  • may flower compact — an agreement to establish a government, entered into by the Pilgrims in the cabin of the Mayflower on November 11, 1620.
  • mercury-vapor lamp — a lamp producing a light with a high actinic and ultraviolet content by means of an electric arc in mercury vapor.
  • methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
  • mexican gold poppy — an annual wildflower, Eschscholzia mexicana, having orange-gold, cup-shaped flowers, found in dry, mountainous regions of western North America.
  • micropalaeontology — the branch of palaeontology concerned with the study of microscopic fossils
  • military policeman — A military policeman is a member of the military police.
  • minority programme — a programme that appeals to a minority of the available audience
  • monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
  • 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.
  • myeloproliferative — (medicine) of or pertaining to the presence of an abnormal proliferation of myelopoietic cells (from bone marrow).
  • 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.
  • neo-pythagoreanism — a philosophical system, established in Alexandria and Rome in the second century b.c., consisting mainly of revived Pythagorean doctrines with elements of Platonism and Stoicism.
  • neuroophthalmology — the branch of ophthalmology that deals with the optic nerve and other nervous system structures involved in vision.
  • neurophysiological — the branch of physiology dealing with the functions of the nervous system.
  • neuropsychodynamic — Of or pertaining to neuropsychodynamics.
  • neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
  • nobiliary particle — a preposition forming part of a title of nobility or surname, as French de or German von.
  • nonachlorobiphenyl — (organic compound) Either of three isomers of the polychlorinated biphenyl containing nine chlorine atoms.
  • normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
  • not a pretty sight — If you say that someone or something is not a pretty sight, you mean that it is not pleasant to look at.
  • nuclear capability — If a country has nuclear capability, it is able to produce nuclear power and usually nuclear weapons.
  • octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
  • offset lithography — offset (def 6).
  • open heart surgery — surgery performed on the exposed heart while a heart-lung machine pumps and oxygenates the blood and diverts it from the heart.
  • open-heart surgery — surgery performed on the exposed heart while a heart-lung machine pumps and oxygenates the blood and diverts it from the heart.
  • palaeoanthropology — the branch of anthropology concerned with primitive man
  • passive vocabulary — all the words, collectively, that a person can understand
  • pave the way (for) — to prepare the way (for); facilitate the introduction (of)
  • pay one's respects — a particular, detail, or point (usually preceded by in): to differ in some respect.
  • payload specialist — an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
  • payment by results — a system of wage payment whereby all or part of the wage varies systematically according to the level of work performance of an employee
  • payment in advance — If a business asks for payment in advance, the payment must be received in full before the goods or services are delivered.
  • pellitory of spain — a small Mediterranean plant, Anacyclus pyrethrum, the root of which contains an oil formerly used to relieve toothache: family Asteraceae (composites)
  • pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
  • people's democracy — (in Communist ideology) a country or form of government in transition from bourgeois democracy to socialism. In this stage there is more than one class, the largest being the proletariat, led by the Communist Party, which is therefore the dominant power
  • perennial ryegrass — any of several European grasses of the genus Lolium, as L. perenne (perennial ryegrass) grown for forage in the U.S.
  • perforated tracery — tracery, as in early Gothic architecture, formed of cut or pierced slabs of stone set on edge with the flat side outward.
  • perlocutionary act — the action of affecting someone by uttering certain words
  • personal bodyguard — a person employed to protect a particular person
  • peter tschaikowsky — Peter Ilyich [il-yich] /ˈɪl yɪtʃ/ (Show IPA), Tchaikovsky, Peter Ilyich.
  • phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
  • phase-shift keying — (communications)   (PSK) A digital modulation scheme that conveys data by changing the phase of a carrier wave. The data can either determine the absolute phase relative to the unmodulated carrier or reference signal ("coherent phase-shift keying", CPSK) or the change in phase ("differential phase-shift keying", DPSK). The number of different phases used determines the amount of data that can be transmitted in each cycle. Each cycle can be considered to constitute one "symbol", e.g. with two possible phases, each cycle carries one bit. The more phases that are used, the less tollerant to noise the transmissions becomes. Alternatives to PSK are amplitude-shift keying (ASK) and frequency-shift keying (FSK).
  • phenylacetaldehyde — a colorless, oily, water-insoluble liquid, C 3 H 1 4 O, having a hyacinthlike odor: used chiefly in perfumery.
  • phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
  • phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
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