12-letter words containing n, a, p, o
- lampadomancy — a method of divination by studying the carbon deposits left by a burning lamp or candle
- lapped joint — a joint made by placing one member over another and fastening them together
- laryngophone — A type of contact microphone that absorbs vibrations directly from the wearer's throat.
- laryngophony — the sound of the voice as heard through a stethoscope placed on the throat directly over the larynx
- laryngoscope — a rigid or flexible endoscope passed through the mouth and equipped with a source of light and magnification, for examining and performing local diagnostic and surgical procedures on the larynx.
- laryngoscopy — an examination by means of a laryngoscope.
- laryngospasm — An uncontrolled, spasmodic closure of the larynx.
- laser weapon — weapons which make use of lasers or lasers used as weapons
- leapfrogging — Present participle of leapfrog.
- lepidomelane — (mineralogy) A black iron-potash mica, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales.
- lepidopteran — lepidopterous.
- lincoln park — a city in SE Michigan.
- lipoproteina — a plasma lipoprotein containing protein and cholesterol, high levels of which are associated with atherosclerosis.
- lipoxygenase — (enzyme) Any of a class of enzymes that catalyse the oxidation of polyunsaturated fatty acids.
- liverpolitan — a native or inhabitant of Liverpool
- loading ramp — a ramp that is used for loading a ship
- loan capital — borrowed capital
- local option — a right of choice exercised by a minor political division, as a county, especially as to allowing the sale of liquor.
- locarno pact — a series of treaties, concluded in Locarno, Switzerland in 1925, between Germany, France, Belgium, the United Kingdom, Italy, Poland, and Czechoslovakia. The principal treaty, between Germany, France, and Belgium, concerned the maintenance of their existing frontiers, settlement of disputes by arbitration without resort to force, and the demilitarization of the Rhineland. This treaty was guaranteed by the United Kingdom and Italy but was violated when Germany occupied the Rhineland in 1936
- locker plant — an establishment for storing food under refrigeration, containing lockers for renting to individual users.
- lollipop man — (in Britain) a person who stops traffic by holding up a circular sign on a pole to allow children to cross a road safely
- london plane — a tall, hardy, widely spreading plane tree, Platanus acerifolia, of North America, having clusters of round, bristly fruit.
- long-playing — of or relating to microgroove records devised to be played at 33 1/3 revolutions per minute.
- longipennate — (of birds) having long slender wings or feathers
- loop antenna — a coil of large diameter, used as an antenna, esp. in direction-finding equipment and in radio receivers
- lycanthropes — Plural form of lycanthrope.
- lycanthropic — a delusion in which one imagines oneself to be a wolf or other wild animal.
- lymphadenoma — an enlarged lymph node.
- lymphangioma — a benign tumor composed of dilated and newly formed lymph vessels.
- machine shop — a workshop in which metal and other substances are cut, shaped, etc., by machine tools.
- magnetograph — a recording magnetometer, used especially for recording variations in the earth's magnetic field.
- magnetooptic — pertaining to the effect of magnetism upon the propagation of light.
- magnetopause — the boundary between the earth's magnetosphere and interplanetary space, about 40,000 miles (65,000 km) above the earth, marked by an abrupt decrease in the earth's magnetic induction.
- magnoliopsid — (botany) a member of the class Magnoliopsida. Circumscription of this class will vary with the taxonomic system being used.
- magnotherapy — Any of several alternative medicine therapies using magnetism.
- main-topmast — the mast next above the main lower mast.
- main-topsail — a topsail set on the mainmast.
- major planet — planet (def 1a).
- major-planet — Astronomy. Also called major planet. any of the eight large heavenly bodies revolving about the sun and shining by reflected light: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, or Neptune, in the order of their proximity to the sun. Until 2006, Pluto was classified as a planet ninth in order from the sun; it has been reclassified as a dwarf planet. a similar body revolving about a star other than the sun. (formerly) a celestial body moving in the sky, as distinguished from a fixed star, applied also to the sun and moon.
- malapportion — to apportion improperly or unfairly (voting districts, a legislature, etc.)
- malpositions — Plural form of malposition.
- manipulation — the act of manipulating.
- manipulators — Plural form of manipulator.
- manipulatory — to manage or influence skillfully, especially in an unfair manner: to manipulate people's feelings.
- marconigraph — (dated) wireless telegraph.
- marimbaphone — (obsolete, music) A kind of percussion idiophone, like the marimba but with steel keys instead of wood, developed in early 20th century United States.
- marine corps — a branch of the U.S. Armed Forces trained for land, sea, and air combat, typically for land combat in conjunction with an amphibious or airborne landing, and whose commandant is responsible to the secretary of the navy.
- master point — a point awarded to a bridge player who has won or placed in an officially recognized tournament.
- meclonazepam — A benzodiazepine derivative, similar in structure to clonazepam, with sedative and anxiolytic effects and antiparasitic activity against Schistosoma mansoni.
- media person — a person who works in the mass media