18-letter words containing h, y, p, e, r, l
- aerial photography — Aerial photography is the process of taking photographs of an area from above, for example from an airplane or mast.
- apocryphal gospels — accounts of Christ's life that are not recognized as part of the New Testament
- bachelorette party — A bachelorette party is a party for a woman who is getting married very soon, to which only women are invited.
- biological therapy — biotherapy
- chemical pregnancy — a pregnancy that is confirmed by a pregnancy test but not by clinical signs and terminates before clinical signs can be observed.
- computer telephony — Computer Telephone Integration
- corpuscular theory — the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles
- cranial osteopathy — osteopathy that focuses on the cranium and the spine
- crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
- cyclic pitch lever — a lever in a helicopter to change the angle of attack of individual rotor blades, causing the helicopter to move forwards, backwards, or sideways
- daisywheel printer — (printer) A kind of impact printer where the characters are arranged on the ends of the spokes of a wheel (resembling the petals on a daisy). The wheel (usually made of plastic) is rotated to select the character to print and then an electrically operated hammer mechanism bends the selected spoke forward slightly, sandwiching an ink ribbon between the character and the paper, as in a typewriter. One advantage of this arrangement over that of a typewriter is that different wheels may be inserted to produce different typefaces.
- decachlorobiphenyl — (organic compound) The fully chlorinated polychlorinated biphenyl containing ten chlorine atoms.
- dimethyltryptamine — a hallucinogenic drug, C 12 H 16 N 2 , with an action of short duration. Abbreviation: DMT.
- diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
- dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
- electrophotography — Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity.
- hexachlorobiphenyl — (organic compound) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms.
- hexaphosphorylated — (biochemistry) phosphorylated with six units of phosphoric acid.
- hilary of poitiers — Saint, a.d. c300–368, French bishop and theologian.
- homeowner's policy — a form of home insurance that provides compensation for damage, loss, or injury of property, personal belongings, or persons due to fire, theft, accidents, etc.
- hydroxynaphthalene — naphthol.
- hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyper-metaphorical — a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.”. Compare mixed metaphor, simile (def 1).
- hyperaldosteronism — aldosteronism.
- hyperbilirubinemia — an abnormally high level of bilirubin in the blood, manifested by jaundice, anorexia, and malaise, occurring in association with liver disease and certain hemolytic anemias.
- hypercholesteremia — Alternative spelling of hypercholesteraemia.
- hypermodern school — a style of chess characterized by control of the centre from the flanks
- hypernationalistic — a person devoted to nationalism.
- hyperphosphorylate — To phosphorylate fully.
- hyperproliferation — (biology) An abnormally high rate of proliferation of cells by rapid division.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- hypophosphorylated — (biochemistry) phosphorylated to a less than normal extent, or less than fully.
- internet telephony — IP Telephony
- lipopolysaccharide — any of a class of polysaccharides to which lipids are attached.
- lyophilized powder — Lyophilized powder is a freeze-dried powder.
- maternity hospital — birthing facility
- methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
- methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
- monochlorobiphenyl — (organic compound) Either of three isomers of a chlorinated derivative of biphenyl containing one chlorine atom.
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- mucopolysaccharide — (formerly) glycosaminoglycan.
- 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.
- 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.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- nonachlorobiphenyl — (organic compound) Either of three isomers of the polychlorinated biphenyl containing nine chlorine atoms.
- octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
- offset lithography — offset (def 6).
- palaeoanthropology — the branch of anthropology concerned with primitive man
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