13-letter words containing a, c, h, 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
- bathylimnetic — (of an organism) living in the depths of lakes and marshes
- beached whale — large sea mammal stranded on shore
- beacon school — a notably successful school whose methods and practices are brought to the attention of the education service as a whole in order that they may be adopted by other schools
- bell purchase — a tackle consisting of two standing single blocks, two running single blocks, a fall, and a runner, so arranged that it gives a mechanical advantage of six, neglecting friction.
- benthopelagic — relating to species living at the bottom of the sea
- bibliographic — a complete or selective list of works compiled upon some common principle, as authorship, subject, place of publication, or printer.
- bibliothecary — a librarian
- bicycle chain — a chain that transmits power from the pedals to the driving wheel of a bicycle
- big enchilada — enchilada (def 2).
- biochemically — the science dealing with the chemistry of living matter.
- biomechanical — relating to biomechanics
- biphasic pill — a drug with two dosage levels over the period taken, as an oral contraceptive.
- black english — the group of related dialects of American English spoken variously by many black people in the U.S.
- black hickory — a species of smooth-barked hickory, Carya tomentosa, with fragrant foliage that turns bright yellow in autumn
- black panther — (in the US) a member of a militant Black political party (1965–82) founded to end the political dominance of White people
- black-hearted — evil, malicious, or wicked
- blacksmithing — the work of a blacksmith.
- blanchisseuse — a washer-woman
- blanket chest — a chest, with or without drawers, having a rectangular space under a lifting lid or top, used for storing blankets, bedding, or clothing.
- blood alcohol — alcohol that is circulating in the blood
- bounced flash — a flash bounced off a reflective surface, as a ceiling or wall, to illuminate a subject indirectly.
- bowling match — a game of bowls
- brachycranial — brachycephalic
- brachydactyly — abnormal shortness of the fingers and toes.
- breech-loader — a firearm that is loaded at the breech
- breechloading — loaded at the breech.
- buffalo chips — the dried dung of buffalo used as fuel, especially by early settlers on the western plains.
- buffalo cloth — a heavyweight woolen fabric constructed in twill weave and having a shaggy pile.
- bulkhead deck — the uppermost continuous deck in the hull of a vessel, forming watertight compartments with the main transverse bulkheads.
- burnham scale — the salary scale for teachers in English state schools, which is revised periodically
- butyl alcohol — any of four isomeric alcohols, C4H9OH, obtained from petroleum products: used as solvents and in organic synthesis
- cacographical — Synonym of cacographic.
- cacophonously — In a cacophonous manner.
- cactus dahlia — a double-flowered variety of dahlia
- calabash tree — a tropical American evergreen tree, Crescentia cujete, that produces large round gourds: family Bignoniaceae
- calcium light — limelight (sense 1)
- call the tune — to be in control of the proceedings
- call the turn — to predict successfully
- calligraphist — fancy penmanship, especially highly decorative handwriting, as with a great many flourishes: She appreciated the calligraphy of the 18th century.
- callisthenics — light exercises designed to promote general fitness, develop muscle tone, etc
- callithumpian — relating to or resembling a callithump
- candleholders — Plural form of candleholder.
- candlelighter — a person whose task it is to light candles
- capstan lathe — a lathe for repetitive work, having a rotatable turret resembling a capstan to hold tools for successive operations
- capsule shell — A capsule shell is an outer skin in which a medicinal substance is contained.
- carboxymethyl — (organic chemistry) The univalent radical -CH2-COOH derived from acetic acid.
- card clothing — a very sturdy fabric with a leather or rubber fillet imbedded with wire teeth for disentangling and cleaning textile fibers, used to cover the rollers or flats of a carding machine.
- cardinal fish — a small brightly coloured fish found in shallow tropical seas, of the family Apogonidae, the male of which often broods eggs in its mouth
- carnegie hall — a famous concert hall in New York (opened 1891); endowed by Andrew Carnegie