18-letter words containing o, u, t, l, y
- melt in your mouth — to require little or no chewing
- multifunctionality — The condition of being multifunctional.
- multiply-connected — connected but not simply-connected.
- muscular dystrophy — a hereditary disease characterized by gradual wasting of the muscles with replacement by scar tissue and fat, sometimes also affecting the heart.
- mutual aid society — A mutual aid society is an organization that provides benefits or other help to its members when they are affected by things such as death, sickness, disability, old age, or unemployment.
- natural philosophy — natural science.
- 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.
- non-accountability — the state of being accountable, liable, or answerable.
- now you're talking — at last you're saying something agreeable
- numerical taxonomy — classification of organisms by a comparison of large numbers of observable characteristics that are given equal value instead of being weighted according to possible evolutionary significance.
- old curiosity shop — a novel (1840–41) by Dickens.
- perlocutionary act — the action of affecting someone by uttering certain words
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- piperonyl butoxide — a light-brown liquid, C 1 9 H 3 0 O 5 , used chiefly as a synergist in certain insecticides.
- play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
- population density — ratio: inhabitants to area
- population pyramid — a graph showing the distribution of a population by sex, age, etc.
- post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- product life cycle — the four stages (introduction, growth, maturity, and decline) into one of which the sales of a product fall during its market life
- provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
- quality controller — a person responsible for checking that the goods or services produced by an organization are of an acceptable standard
- quality of service — (communications, networking) (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
- quarry-tiled floor — a floor covered with square or diamond-shaped unglazed floor tiles
- revolutionary wars — American Revolution.
- safety regulations — regulations or rules that are put in place to ensure a product, event, etc, is safe and not dangerous
- shop till you drop — If you shop till you drop, you do a large amount of shopping.
- shugart technology — Seagate Technology
- sodium hyposulfite — sodium thiosulfate.
- solubility product — the maximum number of undissociated ions, of an electrolyte in a saturated solution, capable at a given temperature of remaining in equilibrium with the undissolved phase of the solution.
- structural geology — the branch of geology dealing with the structure and distribution of the rocks that make up the crust of the earth. Also called tectonics. Compare structure (def 7a).
- super royal octavo — a book size, 63⁄4 by 101⁄4 inches
- super royal quarto — a book size, 101⁄4 by 131⁄2 inches
- the fourth of july — a holiday in the United States, traditionally celebrated with fireworks: the day of the adoption of the Declaration of Independence in 1776
- the hotel industry — the branch of the services industry which provides hotels
- theater of cruelty — a form of surrealist theater originated by Antonin Artaud and emphasizing the cruelty of human existence by portraying sadistic acts and intense suffering.
- theatre of cruelty — a type of theatre advocated by Antonin Artaud in Le Théâtre et son double that seeks to communicate to its audience a sense of pain, suffering, and evil, using gesture, movement, sound, and symbolism rather than language
- to close your mind — If you close your mind to something, you deliberately do not think about it or pay attention to it.
- to cool your heels — If you are cooling your heels, someone is deliberately keeping you waiting, so that you get bored or impatient.
- to gird your loins — If you gird your loins, you prepare to do something difficult or dangerous.
- to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
- to lose your nerve — If you lose your nerve, you suddenly panic and become too afraid to do something that you were about to do.
- to play favourites — to display favouritism
- to spill your guts — if someone spills their guts, they tell you everything about something secret or private
- ultralow frequency — an electromagnetic wave with a frequency between 300 and 3000 hertz. Abbreviation: ULF, ulf.
- unconstitutionally — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.
- unit-linked policy — a life-assurance policy, the investment benefits of which are directly in proportion to the number of units in a unit trust purchased on the policyholder's behalf
- up to the eyeballs — You use up to the eyeballs to emphasize that someone is in an undesirable state to a very great degree.
- voluntary abortion — abortion (def 1).