20-letter words containing t, y, r, o
- laboratory assistant — laboratory technician, lab assistant
- laboratory diagnosis — scientific analysis of a disease
- laboratory equipment — apparatus for scientific research and experiments
- liberty of the press — freedom of the press.
- linearly ordered set — a set in which a relation, as “less than or equal to,” holds for all pairs of elements of the set.
- linguistic geography — dialect geography.
- liturgy of the hours — a revision (promulgated in 1970) of the arrangement and texts of the Divine Office
- llywelyn ap iorwerth — called Llywelyn the Great. died 1240, prince of Gwynedd, N Wales (1194–1238), who extended his rule over most of Wales
- lonely hearts column — the part of a newspaper or magazine where lonely hearts ads appear
- lost property office — room for mislaid objects
- lower layer protocol — (networking, protocol) (LLP, or lower-layer protocol) Any protocol residing in OSI layers one to four. These protocols package, route, verify and transmit datagrams. A prime example would be TCP/IP. Lower layer protocols support the upper layer protocols.
- lower yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park, that is 98 m (320 ft) high
- lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
- magical mystery tour — something exciting and mysterious; esp an exploration of a new place where somebody being shown or taken around does not know where exactly they will be going
- magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
- marginal probability — (in a multivariate distribution) the probability of one variable taking a specific value irrespective of the values of the others
- mary, queen of scots — family name Stuart. 1542–87, queen of Scotland (1542–67); daughter of James V of Scotland and Mary of Guise. She was married to Francis II of France (1558–60), her cousin Lord Darnley (1565–67), and the Earl of Bothwell (1567–71), who was commonly regarded as Darnley's murderer. She was forced to abdicate in favour of her son (later James VI of Scotland) and fled to England. Imprisoned by Elizabeth I until 1587, she was beheaded for plotting against the English crown
- mass-energy equation — the equation, E=mc2, formulated by Albert Einstein, expressing the equivalence between mass and energy, where E is energy, m is mass, and c is the velocity of light.
- megabytes per second — (unit) (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
- megakaryocytopoiesis — (biology) The cellular development process that leads to platelet production.
- membranous labyrinth — an intricate combination of paths or passages in which it is difficult to find one's way or to reach the exit. Synonyms: maze, network, web.
- methyl chloroformate — a colorless liquid, C 2 H 3 ClO 2 , used chiefly in organic synthesis.
- methyl propyl ketone — a colorless, slightly water-soluble liquid, C 5 H 1 0 O, used chiefly as a solvent, especially in lacquers.
- methyl styryl ketone — benzylidene acetone.
- microcrystalline wax — Microcrystalline wax is a wax used as a stiffening agent and as a coating agent for tablets and capsules.
- miliary tuberculosis — tuberculosis in which the bacilli are spread by the blood from one point of infection, producing small tubercles in other parts of the body.
- military superiority — the power, strength, or numbers of armed forces of a country viewed as an advantage over another country
- missionary apostolic — an honorary title conferred by the pope on certain missionaries.
- modify a reservation — If you modify a reservation, you change a detail of a booking because someone who has booked a room has asked you to.
- molecular gastronomy — an approach to cooking in which a chef’s knowledge of physics, chemistry, and biology allows him or her to experiment with unusual flavour combinations and cooking techniques
- moreton bay chestnut — an Australian leguminous tree, Castanospermum australe, having thin smooth bark and yellow or reddish flowers: used in furniture manufacture
- multipart stationery — continuous stationery comprising two or more sheets, either carbonless or with carbon paper between the sheets
- multiple personality — a rare disorder in which an individual displays several functionally dissociated personalities, each of a complexity comparable to that of a normal individual.
- 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.
- multistorey car park — a car park consisting of several levels
- network transparency — (networking) A feature of an operating system or other service which lets the user access a remote resource through a network without having to know if the resource is remote or local. For example NFS allow users to access remote files as if they were local files.
- neuropsychiatrically — In terms of neuropsychiatry.
- new democratic party — the Canadian social democratic party formed in 1961
- nickel tetracarbonyl — nickel carbonyl.
- nonaccidental injury — damage, such as a bruise, burn, or fracture, deliberately inflicted on a child or an old person
- noncatalytic reactor — A noncatalytic reactor is a reactor in which no catalyst is used.
- nondirective therapy — client-centered therapy.
- not mince your words — If you say that someone does not mince their words, you mean that they speak in a forceful and direct way, especially when saying something unpleasant to someone.
- occupational therapy — a form of therapy in which patients are encouraged to engage in vocational tasks or expressive activities, as art or dance, usually in a social setting.
- olfactory anesthesia — absence or loss of the sense of smell.
- on everyone's tongue — prevailing as common gossip
- on the factory floor — in a factory; as a factory worker
- operational strategy — a plan or set of plans for successfully running a business, etc
- ophthalmodynamometer — a device for determining the nearest point of ocular convergence.
- orthognathic surgery — the surgical correction of deformities or malpositions of the jaw.