15-letter words containing a, u, p, i
- male prostitute — man who has sex for money
- malpighian tube — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
- malpighian tuft — glomerulus (def 2).
- marsupial mouse — any of various mouse-sized to rat-sized marsupials of the family Dasyuridae, occurring in Australia, New Guinea, and Tasmania: some species are rare or endangered.
- mass production — the production or manufacture of goods in large quantities, especially by machinery.
- mass-producible — to produce or manufacture (goods) in large quantities, especially by machinery.
- measuring spoon — a spoon for measuring amounts, as in cooking, usually part of a set of spoons of different sizes.
- mechanical pulp — groundwood pulp.
- menispermaceous — of, relating to, or belonging to the Menispermaceae, a family of mainly tropical and subtropical plants, most of which are woody climbers with small flowers
- mermaid's purse — the horny or leathery egg case of certain cartilaginous fishes, as skates.
- microsporangium — a sporangium containing microspores.
- montes riphaeus — a mountain range in the third quadrant of the visible face of the moon.
- moral turpitude — conduct that is regarded as immoral.
- mules operation — the surgical removal of folds of skin in the breech of a sheep to reduce blowfly strike
- multiphase flow — Multiphase flow is a type of flow that involves more than one fluid, for example a liquid and a gas, or two liquids that do not mix.
- multiple access — multiplexing
- multiple allele — any one of a series of three or more alternative or allelic forms of a gene, only two of which can exist in any normal, diploid individual.
- multiple factor — polygene.
- multiple master — (text, tool, software) (Or "Multiple Master Font") A font that is a mixture of two or more other fonts. A Multiple Master font is a single font containing from two to sixteen master designs (the current implementation limit). A weight factor specifies the contribution of each master design for the creation of a multiple master font instance. A Multiple Master instance is a single interpolation of a multiple master font as created by a user or application.
- multiple-valued — many-valued.
- multispeciality — Alternative form of multispecialty.
- multum in parvo — much in a small space
- municipal bonds — a bond issued by a state, county, city, or town, or by a state authority or agency to finance projects.
- municipal court — a court whose jurisdiction is confined to a city or municipality, with criminal jurisdiction usually corresponding to that of a police court and civil jurisdiction over small causes.
- negro spiritual — a type of religious song originating among Black slaves in the American South
- neuroepithelial — Of or relating to the neuroepithelium.
- neuropathically — In a neuropathic way.
- neuropathologic — Of or pertaining to neuropathology.
- neuroplasticity — the capacity of the nervous system to develop new neuronal connections: research on neuroplasticity of the brain after injury.
- neuropsychiatry — the branch of medicine dealing with diseases involving the mind and nervous system.
- neutral spirits — nonflavored alcohol of 95 percent, or 190 proof, obtained chiefly from grain or molasses or redistilled from brandy, rum, etc., used for blending with straight whiskies and in the making of gin, cordials, liqueurs, and the like.
- nil desperandum — never despair
- nitramino group — the univalent group –NHNO 2 .
- non-culpability — guilt or blame that is deserved; blameworthiness.
- non-duplicative — a copy exactly like an original.
- non-repudiation — the act of repudiating.
- non-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- non-suppurative — suppurating; characterized by suppuration.
- nonoccupational — of or relating to an occupation, trade, or calling: occupational guidance.
- northern paiute — a member of an American Indian people of Nevada, Oregon, and California, allied to the Paiute.
- nuclear physics — the branch of physics that deals with the behavior, structure, and component parts of atomic nuclei.
- nullarbor plain — a treeless, semiarid area of S Australia, contiguous to the Great Australian Bight.
- odd permutation — a permutation of a set of n elements, x 1 , x 2 , …, xn, which permutes the product of all differences of the form (xi – xj), where i is less than j, into the negative of the product.
- opisthognathous — having receding jaws.
- optical pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
- opus anglicanum — fine embroidery, esp of church vestments, produced in England c.1200–c.1350; characterized by the rich materials used, esp silver gilt thread
- out of practice — If you are out of practice at doing something, you have not had much experience of it recently, although you used to do it a lot or be quite good at it.
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- over-particular — of or relating to a single or specific person, thing, group, class, occasion, etc., rather than to others or all; special rather than general: one's particular interests in books.