13-letter words containing s, i, l, u
- basic plumage — the plumage assumed by an adult bird at its complete, usually annual, molt.
- battlecruiser — A large warship of a type built in the early 20th century, carrying similar armament to a battleship but faster and more lightly armored.
- beautifulness — having beauty; possessing qualities that give great pleasure or satisfaction to see, hear, think about, etc.; delighting the senses or mind: a beautiful dress; a beautiful speech.
- bibliolatrous — characterized by bibliolatry
- biculturalism — the characteristics, or policy, of a two-cultured society
- bildungsroman — a novel concerned with a person's formative years and development
- binary pulsar — a pulsar in a binary system.
- 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
- black russian — a drink made from one part coffee liqueur and two parts vodka, served over ice.
- black studies — a program of studies in black history and culture offered by a school or college, often including Afro-American history and black literature.
- blanchisseuse — a washer-woman
- bledisloe cup — a trophy competed for, usually annually, by New Zealand and Australia since 1932
- blue rockfish — a bluish-black rockfish, Sebastodes mystinus, inhabiting Pacific coastal waters of North America.
- blue whistler — blue norther.
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- bouillabaisse — Bouillabaisse is a rich stew or soup of fish and vegetables.
- boutros-ghali — ˈBoutros (ˈbutroʊs ) ; bo̅oˈtrōs) 1922- ; Egypt. diplomat: secretary-general of the United Nations (1992-96)
- bristle brush — a brush made with animal bristles
- broiler house — a building in which broiler chickens are reared in confined conditions
- buffalo chips — the dried dung of buffalo used as fuel, especially by early settlers on the western plains.
- buffalo wings — spicy fried segments of chicken wings, usually served with celery sticks and a sauce of blue cheese
- build bridges — to promote reconciliation or cooperation between hostile groups or people
- building site — A building site is an area of land on which a building or a group of buildings is in the process of being built or altered.
- built-up mast — a wooden mast formed of several shaped, longitudinal pieces joined together.
- bulk settling — Bulk settling is a process in which two liquids, or a solid and a liquid, of different densities are allowed to separate by gravity.
- 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.
- bundle of his — atrioventricular bundle.
- burglariously — in the manner of a burglar or buglary
- burning glass — a convex lens for concentrating the sun's rays into a small area to produce heat or fire
- busheled iron — heterogeneous iron made from scrap iron and steel.
- business plan — A business plan is a detailed plan for setting up or developing a business, especially one that is written in order to borrow money.
- bustard quail — button quail.
- bustard-quail — any of several birds of the family Turnicidae, of warmer parts of the Old World, resembling but not related to the true quail. Also called bustard quail, hemipode.
- butter muslin — a fine loosely woven cotton material originally used for wrapping butter
- butterflyfish — any small tropical marine percoid fish of the genera Chaetodon, Chelmon, etc, that has a deep flattened brightly coloured or strikingly marked body and brushlike teeth: family Chaetodontidae
- cactus dahlia — a double-flowered variety of dahlia
- caesium clock — a type of atomic clock that uses the frequency of radiation absorbed in changing the spin of electrons in caesium atoms
- calcariferous — having a spur or spurs
- call it quits — to agree to end a dispute, contest, etc, agreeing that honours are even
- callistus iii — (Alfonso de Borja; Alfonso Borgia) 1378–1458, Spanish ecclesiastic: pope 1455–58.
- 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
- capitulations — Plural form of capitulation.
- capsulization — The act or process of capsulizing.
- carillonneurs — Plural form of carillonneur.
- carnivalesque — characteristic of, suitable for, or like a carnival
- carnivorously — In a carnivorous manner.
- cartilaginous — of or like cartilage; gristly
- cartiliginous — Alternative form of cartilaginous.
- cassivelaunus — 1st century bc, British chieftain, king of the Catuvellauni tribe, who organized resistance to Caesar's invasion of Britain (54 bc)
- casual friday — In some companies, employees are allowed to wear clothes that are more informal than usual on a Friday. This day is known as a casual Friday.