13-letter words containing t, h, a, c
- auction house — a commercial company that specializes in selling items at auction
- auction pitch — a variety of all fours in which players bid to determine the trump or pitch.
- autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
- authentically — not false or copied; genuine; real: an authentic antique.
- authenticated — Prove or show (something, esp. a claim or an artistic work) to be true or genuine.
- authenticates — Third-person singular simple present indicative form of authenticate.
- authenticator — a person or thing that authenticates.
- autocatharsis — a therapeutic process designed to free unconscious disturbances by having the patient write about his or her experiences, impressions, etc.
- autocephalous — (of an Eastern Christian Church) governed by its own national synods and appointing its own patriarchs or prelates
- autochthonous — (of rocks, deposits, etc) found where they and their constituents were formed
- autographical — Relating to, or used in, the process of autography.
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autorickshaws — Plural form of autorickshaw.
- autoschediasm — anything done with little forethought or preparation
- autoschediaze — to do or act with little forethought or preparation
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- baby snatcher — a person who steals a baby from its pram
- bachelor flat — a flat lived in, or intended for a bachelor
- bachelorettes — Plural form of bachelorette.
- back straight — a straight part of a circuit, esp of an athletics track or a racecourse, furthest from the finishing point
- back-up light — a light on the rear of a motor vehicle to warn others that the vehicle is being reversed
- backing light — Also called backing striplight, backing strip. Theater. a striplight providing diffused illumination for the background of a stage set.
- backscratcher — an implement with a long handle, used for scratching one's back
- backstitching — Present participle of backstitch.
- bacteriophage — a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released
- bacteriophagy — the action of a bacteriophage
- bag-snatching — theft that involves snatching women's handbags
- balance shaft — a shaft in a vehicle engine that is designed to reduce the amount of vibration from other moving parts as it rotates
- balance sheet — A balance sheet is a written statement of the amount of money and property that a company or person has, including amounts of money that are owed or are owing. Balance sheet is also used to refer to the general financial state of a company.
- ball the jack — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
- ballet school — a school where professional ballet dancers are trained
- baltic shield — the wide area of ancient rock in Scandinavia
- barber's itch — any of various fungal infections of the bearded portion of the neck and face
- batch-process — to perform batch processing on (files)
- bathtub curve — Common term for the curve (resembling an end-to-end section of one of those claw-footed antique bathtubs) that describes the expected failure rate of electronics with time: initially high, dropping to near 0 for most of the system's lifetime, then rising again as it "tires out". See also burn-in period, infant mortality.
- bathylimnetic — (of an organism) living in the depths of lakes and marshes
- batrachotoxin — a steroidal alkaloid, C31H42N2O6, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
- behavioristic — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
- bench warrant — a warrant issued by a judge or court directing that an offender be apprehended
- benefit match — a sports match organized to raise money for charity, or for a particular player
- benthopelagic — relating to species living at the bottom of the sea
- berchtesgaden — a town in Germany, in SE Bavaria: site of the fortified mountain retreat of Adolf Hitler. Pop: 7667 (2003 est)
- bibliothecary — a librarian
- bird-watching — Bird-watching is the activity of watching and studying wild birds in their natural surroundings.
- birthday cake — a special cake eaten at a birthday party
- birthday card — a greeting card sent on someone's birthday
- 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.
- 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.