13-letter words containing i, m, u
- black muslims — (esp in the US) a political and religious movement of Black people who adopt the religious practices of Islam and seek to establish a new Black nation
- blow moulding — a process for moulding single-piece plastic objects in which a thermoplastic is extruded into a split mould and blown against its sides
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- bottom-unique — In domain theory, a function f is bottom-unique if f x = bottom <=> x = bottom A bottom-unique function is also strict.
- bouncing bomb — a bomb used by the RAF in World War II, designed to bounce along water
- brigham young — Andrew (Jackson, Jr.) born 1932, U.S. clergyman, civil-rights leader, politician, and diplomat: mayor of Atlanta, Georgia, 1981–89.
- buff-tip moth — a large European moth, Phalera bucephala, having violet-brown buff-tipped forewings held at rest around the body so that it resembles a snapped-off twig
- built-up mast — a wooden mast formed of several shaped, longitudinal pieces joined together.
- bumblebeefish — any of several gobies of the genus Brachygobius, inhabiting waters of the Malay Archipelago and having brown and yellow bands on the body that resemble the markings of a bumblebee.
- bureaucratism — an official of a bureaucracy.
- bus mastering — bus master
- businesswoman — A businesswoman is a woman who works in business.
- butter muslin — a fine loosely woven cotton material originally used for wrapping butter
- cadmium green — a pigment used in painting, consisting of a mixture of hydrated oxide of chromium with cadmium sulfide, and characterized by its strong green color and slow drying rate.
- caesium clock — a type of atomic clock that uses the frequency of radiation absorbed in changing the spin of electrons in caesium atoms
- calcium light — limelight (sense 1)
- calcium oxide — a white crystalline base used in the production of calcium hydroxide and bleaching powder and in the manufacture of glass, paper, and steel. Formula: CaO
- calcium-oxide — Also called burnt lime, calcium oxide, caustic lime, calx, quicklime. a white or grayish-white, odorless, lumpy, very slightly water-soluble solid, CaO, that when combined with water forms calcium hydroxide (slaked lime) obtained from calcium carbonate, limestone, or oyster shells: used chiefly in mortars, plasters, and cements, in bleaching powder, and in the manufacture of steel, paper, glass, and various chemicals of calcium.
- callithumpian — relating to or resembling a callithump
- camera lucida — an instrument attached to a microscope, etc to enable an observer to view simultaneously the image and a drawing surface to facilitate the sketching of the image
- campaign fund — money for a campaign, as of a political candidate, usually acquired through contributions by supporters.
- campus police — police officers, security guards or students employed by a college or university to patrol the campus and to protect students, staff, and visitors
- canal du midi — a canal in S France, extending from the River Garonne at Toulouse to the Mediterranean at Sète and providing a link between the Mediterranean and Atlantic coasts: built between 1666 and 1681. Length: 181 km (150 miles)
- cantus firmus — an existing melody used as the basis for a new polyphonic composition
- carbonium ion — type of positively charged organic ion
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- caution money — a sum of money deposited as security for good conduct, against possible debts, etc
- ceremoniously — If someone does something ceremoniously, they do it in an extremely formal way.
- cerium metals — the metals lanthanum, cerium, praseodymium, neodymium, promethium, and samarium, forming a sub-group of the lanthanides
- ceruloplasmin — a protein responsible for copper detoxification, found in the blood
- cerumenolysis — (medicine) The process of softening cerumen (earwax) for removal.
- cerumenolytic — (pharmacology) A chemical that softens or removes cerumen (earwax).
- chain measure — measurement of distance using a chain 66 feet (20 meters) long, of which one link equals 7.9 inches (20.1 cm).
- chamber music — Chamber music is classical music written for a small number of instruments.
- chemical pulp — wood pulp made from chemically treated and cooked wood fibers and used in the manufacture of better grades of paper.
- chemosurgical — of or relating to chemosurgery
- churchmanship — The craft or skill of being a churchman. (from 17th c.).
- churn molding — a molding decorated with chevrons.
- cinematheques — Plural form of cinematheque.
- circumagitate — (transitive) To agitate on all sides.
- circumambages — round-about methods
- circumambient — surrounding
- circumcisions — Plural form of circumcision.
- circumduction — the action of turning anything on its axis
- circumductory — relating to circumduction
- circumference — The circumference of a circle, place, or round object is the distance around its edge.
- circumflexing — Present participle of circumflex.
- circumflexion — The act of bending, or causing to assume a curved form.
- circumjacency — the state of being circumjacent
- circumlocutes — Third-person singular simple present indicative form of circumlocute.