20-letter words containing h, e, a, d, p
- magdeburg hemisphere — one of a pair of hemispherical cups from which air can be evacuated when they are placed together: used to demonstrate the force of air pressure.
- matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
- mechanical impedance — impedance (def 2).
- mechanical-impedance — Electricity. the total opposition to alternating current by an electric circuit, equal to the square root of the sum of the squares of the resistance and reactance of the circuit and usually expressed in ohms. Symbol: Z.
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
- nondirective therapy — client-centered therapy.
- ophthalmodynamometer — a device for determining the nearest point of ocular convergence.
- orthopaedic mattress — a specially firm mattress designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- paint the town (red) — to go on a boisterous spree; carouse
- para-dichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
- pass the time of day — to exchange casual greetings (with an acquaintance)
- paternal grandfather — the father of someone's father
- paternal grandmother — the mother of someone's father
- peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5
- perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
- phenyldiethanolamine — a white, crystalline, slightly water-soluble substance, C 1 0 H 1 5 NO 2 , used in the manufacture of dyes and in organic synthesis.
- phosphoric anhydride — phosphorus pentoxide.
- physical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
- pleased with oneself — If someone seems very satisfied with something they have done, you can say that they are pleased with themselves, especially if you think they are more satisfied than they should be.
- potassium dichromate — an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7
- powhatan confederacy — a network of Algonquian-speaking Indian settlements in Virginia that was ruled by Powhatan.
- poza rica de hidalgo — a city in N Veracruz, in E Mexico.
- prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
- pseudo-psychological — of or relating to psychology.
- pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
- put the hard word on — to ask or demand something from
- raynaud's phenomenon — a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet
- redheaded woodpecker — a North American woodpecker (Melanerpes erythrocephalus), with a bright-red head and neck, black back, and white underparts
- rhineland-palatinate — a state in W Germany: formerly part of Rhine Province. 7655 sq. mi. (19,825 sq. km). Capital: Mainz.
- ring-necked pheasant — a gallinaceous Asian bird, Phasianus colchicus, having a white band around its neck, introduced into Great Britain, North America, and the Hawaiian Islands.
- schizoid personality — sb with identity disorder
- schwarzschild sphere — the sphere which surrounds a non-rotating uncharged black hole, from within which no information can escape because of gravitational forces
- second-hand bookshop — a shop selling second-hand books
- sharp-tailed sparrow — a sparrow, Ammospiza caudacuta, inhabiting salt marshes in North America, having narrow, sharply pointed tail feathers.
- spherical coordinate — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- switchboard operator — a person who operates an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
- the (great) pyramids — the three large pyramids at Gîza, Egypt: the largest is the Pyramid of Khufu
- the hearing impaired — people whose hearing is partially defective
- the metadata company — (company) A company founded by Jack E. Myers, originally known as Metadata Information Partners. Myers trademarked the word "Metadata" (unhyphenated with initial capital, as opposed to the general term metadata) to represent implementations of his MetaModel and to designate his company. Myers claims that a data and publication search in the summer of 1969 failed to discover any use either of the word "metadata" or "meta data". E-mail: <[email protected]>. Address: 444 West Ocean Blvd, Suite 1600, Long Beach CA 90802, USA.
- third-party software — software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended.
- throw up one's hands — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- to disturb the peace — If someone is accused of disturbing the peace, they are accused of behaving in a noisy and offensive way in public.
- to keep your hand in — If you do something to keep your hand in, you practise a skill or hobby occasionally in order to remain fairly good at it.
- to put an end to sth — To put an end to something means to cause it to stop.
- triphenylmethane dye — any of a great number of dyes, as gentian violet, fuchsin, and rosaniline, produced from triphenylmethane by replacement of the ring hydrogen atoms with hydroxy, amino, sulfo, or other atoms or groups.
- tubing head pressure — The tubing head pressure is the pressure on the tubing, which is measured at the wellhead.
- video graphics array — (hardware) (VGA) A display standard for IBM PCs, with 640 x 480 pixels in 16 colours and a 4:3 aspect ratio. There is also a text mode with 720 x 400 pixels. IBM technical references define the *product name* of their original VGA display board as "Video Graphics Array", in contrast to the preceding boards, the "Color Graphics Adapter" (CGA) and "Enhanced Graphics Adapter" (EGA). See also Super Video Graphics Adapter.
- visually handicapped — unable to carry out normal activities because of defects of vision, including blindness