13-letter words containing n, a, i, l
- basic english — a simplified form of English, proposed by C. K. Ogden and I. A. Richards, containing a vocabulary of approximately 850 of the commonest English words, intended as an international language
- bass clarinet — a clarinet with the lowest range, in the octave below the B-flat clarinet
- batan islands — a group of islands in the Philippines, north of Luzon. Capital: Basco. Pop: 16 467 (2000). Area: 197 sq km (76 sq miles)
- bathylimnetic — (of an organism) living in the depths of lakes and marshes
- baton twirler — someone who twirls a baton, esp a drum major or majorette
- bazillionaire — (humorous) An incredibly rich person.
- bearing plate — a heavy metal plate for receiving and distributing concentrated weight, as from a column or one end of a truss.
- 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.
- bedding plane — the surface separating two successive layers of stratified rock
- bedding plant — A bedding plant is a plant which lasts for one year. It is put in a flower bed before it flowers, and is then removed when it has finished flowering.
- bedding-plant — bedmaker (def 1).
- beetlebrained — stupid
- belgian congo — former Belgian colony (1908-60) in central Africa: now the country of Democratic Republic of the Congo
- bellefontaine — a city in W Ohio.
- belly landing — the landing of an aircraft on its fuselage without use of its landing gear
- benedictional — a book of benedictions or blessings
- beneficential — relating to beneficence
- bengal quince — bael.
- benthopelagic — relating to species living at the bottom of the sea
- benzimidazole — a crystalline growth-inhibiting compound
- berkeleianism — the philosophical system of George Berkeley, holding that objects exist only when perceived, that God's perception sustains the universe, and that there is no independent substratum or substance in which these perceptions inhere
- beta globulin — a blood plasma protein that is separable from other globulins by electrophoresis.
- beta-blocking — acting to inhibit the activity of the nerves that are stimulated by adrenaline
- bible reading — a passage from the Bible, esp one read in a service
- bicentennials — pertaining to or in honor of a 200th anniversary: bicentennial celebration; a bicentennial exposition.
- biconditional — (of a proposition) asserting that the existence or occurrence of one thing or event depends on, and is dependent on, the existence or occurrence of another, as “A if and only if B.”.
- bicontinental — of, on, or involving two continents: a bicontinental survey.
- bicycle chain — a chain that transmits power from the pedals to the driving wheel of a bicycle
- bidenticulate — having two small teeth or toothlike processes.
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- big enchilada — enchilada (def 2).
- bildungsroman — a novel concerned with a person's formative years and development
- bilinear form — a function or functional of two variables that is linear with respect to each variable when the other variable is held fixed.
- binary pulsar — a pulsar in a binary system.
- bioequivalent — the condition in which different formulations of the same drug or chemical are equally absorbed when taken into the body.
- biomechanical — relating to biomechanics
- birectangular — having two right angles.
- birthing ball — a large soft rubber ball used by women during childbirth to give support and to aid pain relief
- bisectionally — from a bisectional point of view
- bitonal image — (graphics) An image consisting only of a foreground colour and a background colour. Compare monochrome.
- bitter almond — a variety of almond whose bitter seeds yield hydrocyanic acid upon hydrolysis
- black diamond — coal (sense 1)
- black english — the group of related dialects of American English spoken variously by many black people in the U.S.
- black pudding — Black pudding is a thick sausage which has a black skin and is made from pork fat and pig's blood.
- black russian — a drink made from one part coffee liqueur and two parts vodka, served over ice.
- black section — (in Britain in the 1980s) an unofficial group within the Labour Party in any constituency that represented the interests of local Black people
- blacksmithing — the work of a blacksmith.
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- blanchisseuse — a washer-woman
- blandishments — Blandishments are pleasant things that someone says to another person in order to persuade them to do something.