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20-letter words containing h, m, o

  • mobile phone chicken — a highly dangerous game in which a person is challenged to perform a hazardous stunt which he or she films with a camera phone
  • moreton bay chestnut — an Australian leguminous tree, Castanospermum australe, having thin smooth bark and yellow or reddish flowers: used in furniture manufacture
  • mother of the chapel — (in British trade unions in the publishing and printing industries) a woman shop steward
  • mother-of-pearl moth — a pyralid moth, Pleuroptya ruralis, having a pale sheen, that is often seen around nettles, on which its green larvae feed
  • multipurpose vehicle — a large car, similar to a van, designed to carry up to eight passengers
  • 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.
  • music of the spheres — a music, imperceptible to human ears, formerly supposed to be produced by the movements of the spheres or heavenly bodies.
  • near someone's heart — dear or important to someone
  • no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
  • north american plate — a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.
  • north temperate zone — the part of the earth's surface between the tropic of Cancer and the Arctic Circle.
  • not have the stomach — If you have no stomach for something, you do not have the courage to do it.
  • old man of the woods — an edible, mild-tasting mushroom, Strobilomyces floccopus, occurring in coniferous woodlands of eastern North America.
  • one's misspent youth — the period when one is young and spend's one's time doing foolish, bad, or frivolous things
  • one's spiritual home — Your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there.
  • 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
  • paper chromatography — the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography) or a strip of filter paper (paper chromatography) or by a gel.
  • pass the time of day — to exchange casual greetings (with an acquaintance)
  • paternal grandmother — the mother of someone's father
  • peremptory challenge — a formal objection to the service of a juror by a party to a criminal prosecution or a civil action that requires no showing of cause.
  • 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.
  • physical examination — an examination, usually by a physician, of a person's body in order to determine his or her state of health or physical fitness, as for military service or participation in a sport.
  • physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
  • polymorphic function — a function in a computer program that can deal with a number of different types of data
  • poor man's something — a (cheaper) substitute for something
  • potassium bichromate — an orange-red, crystalline, water-soluble, poisonous powder, K 2 Cr 2 O 7 , used chiefly in dyeing, photography, and as a laboratory reagent.
  • 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
  • pride of the morning — light mist or precipitation observed at sea in the morning and regarded as indicating a fine day.
  • prime number theorem — the theorem that the number of prime numbers less than or equal to a given number is approximately equal to the given number divided by its natural logarithm.
  • pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
  • psychological moment — the proper or critical time for achieving a desired result: She found the right psychological moment to make her request.
  • psychometric testing — the use of psychometric tests, often as a selection method
  • psychomotor epilepsy — temporal-lobe epilepsy.
  • punch a (time) clock — to insert a timecard into a time clock when coming to or going from work
  • pythagoras's theorem — (mathematics)   The theorem of geometry, named after Pythagoras, of Samos, Ionia, stating that, for a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. I.e. if the longest side has length A and the other sides have lengths B and C (in any units), A^2 = B^2 + C^2 (2004-02-12)
  • quaker meeting house — a place where Quakers gather for worship
  • quantum cryptography — a method of coding information based on quantum mechanics, which is said to be unbreakable
  • quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
  • 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
  • return from the dead — (jargon)   To regain access to the net after a long absence. Compare person of no account.
  • rheumatoid arthritis — a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
  • ride on shank's mare — to walk
  • rocky mountain sheep — bighorn.
  • run off at the mouth — Anatomy, Zoology. the opening through which an animal or human takes in food. the cavity containing the structures used in mastication. the structures enclosing or being within this cavity, considered as a whole.
  • saint john ambulance — an organization that provides first aid and first-aid training
  • saint thomas aquinasSaint, Aquinas, Saint Thomas.
  • satellite chromosome — a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
  • scheme object system — (SOS) Chris Hanson?
  • scottish nationalism — a political ideology advocating the independence of Scotland
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