13-letter words containing i, s, b, a
- speaking tube — a tube for conveying the voice over a somewhat limited distance, as from one part of a building or ship to another.
- spine-bashing — to rest; loaf.
- spiral nebula — (formerly) a spiral galaxy.
- splenial bone — a small bone in the lower jaw of some animals, such as reptiles and birds
- spreadability — capable of being spread; easily spread: a soft, spreadable cheese.
- spring beauty — any American spring plant belonging to the genus Claytonia, of the purslane family, especially C. virginica, having an elongated cluster of white flowers tinged with pink.
- springboarded — a flexible board, projecting over water, from which divers leap or spring.
- squeezability — the quality of being capable of, or suitable for, being squeezed
- stabilization — the act or process of stabilizing or the state of being stabilized.
- stamen blight — a disease of blackberries, characterized by a gray, powdery mass of spores covering the anthers, caused by a fungus, Hapalosphaeria deformans.
- station break — an interval between or during programs for identifying the station, making announcements, etc.
- steam turbine — a turbine driven by steam pressure.
- step aerobics — a set of aerobic exercises designed to improve the cardiovascular system, which consists of stepping on and off a special box of adjustable height
- stimulability — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- strikebreaker — a person who takes part in breaking up a strike of workers, either by working or by furnishing workers.
- stringer bead — a small, usually round object of glass, wood, stone, or the like with a hole through it, often strung with others of its kind in necklaces, rosaries, etc.
- strobilaceous — resembling a strobilus; conelike.
- sub-franchise — a privilege of a public nature conferred on an individual, group, or company by a government: a franchise to operate a bus system.
- sub-librarian — an assistant or junior librarian
- sub-political — of, relating to, or concerned with politics: political writers.
- suballocation — an allocation made from a previous allocation
- subastringent — slightly astringent.
- subcategorize — to split into subcategories
- subclavicular — a bone of the pectoral arch.
- subcollegiate — of, relating to, or characteristic of subcollege students or a subcollege
- subcoriaceous — almost leathery
- subdelegation — a group or body of delegates: Our club sent a delegation to the rally.
- subderivative — a word derived from a derivative.
- subepithelial — any animal tissue that covers a surface, or lines a cavity or the like, and that, in addition, performs any of various secretory, transporting, or regulatory functions.
- subequatorial — of, relating to, or being a region near the equatorial region.
- subgeneration — a generation within another generation
- subindication — the act or process of subindicating
- subindicative — of or relating to subindicating
- sublieutenant — British. a navy officer ranking next below a lieutenant.
- subliterature — writing below the standards of literature as an art form.
- submarine pen — a bunker that prevents submarines from bombs
- subordination — the act of placing in a lower rank or position: The refusal to allow women to be educated was part of society's subordination of women to men.
- subordinative — placed in or belonging to a lower order or rank.
- subperiosteal — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subpopulation — the total number of persons inhabiting a country, city, or any district or area.
- subprime loan — A subprime loan is a loan with a higher interest rate, to borrowers who are a high credit risk.
- subsaturation — the act or process of saturating.
- subsidization — to furnish or aid with a subsidy.
- subspecialist — a person who devotes himself or herself to one subject or to one particular branch of a subject or pursuit.
- subspeciality — a particular area of expertise within a specialism
- subspecialize — to specialize in a particular area of expertise within a specialism
- substantially — of ample or considerable amount, quantity, size, etc.: a substantial sum of money.
- substantiated — to establish by proof or competent evidence: to substantiate a charge.
- substantively — a noun.
- substantivity — the quality or state of being substantive