13-letter words containing a, c, u, t, i
- appendiculate — having appendicles
- aquaculturist — a person who practises aquaculture
- arboriculture — the cultivation of trees or shrubs, esp for the production of timber
- architectural — Architectural means relating to the design and construction of buildings.
- architectured — Designed (according to a form of architecture, or as if by an architect).
- architectures — Plural form of architecture.
- articulations — Plural form of articulation.
- astronautical — of or relating to astronautics or astronauts.
- at a discount — below the regular price
- atomic number — the number of protons in the nucleus of an atom of an element
- atomic volume — the atomic weight (relative atomic mass) of an element divided by its density
- atrociousness — The state of being atrocious.
- auction block — Also called block. a platform from which an auctioneer sells: the old courthouse where slaves were sold from the auction block.
- 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.
- auctioneering — Present participle of auctioneer.
- audiocassette — a cassette containing audiotape
- austroasiatic — a family of languages spoken in SE Asia and the landsaround the Bay of Bengal and consisting principally of Vietnamese, Khmer, Mon, Khasi, Nicobarese, and the Munda languages.
- 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.
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- autocatalysis — the catalysis of a reaction in which the catalyst is one of the products of the reaction
- autocatalytic — causing its own chemical reaction
- autocatharsis — a therapeutic process designed to free unconscious disturbances by having the patient write about his or her experiences, impressions, etc.
- autodidactism — Alternative form of autodidacticism.
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autographical — Relating to, or used in, the process of autography.
- autoinfection — infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
- automagically — automatically; in a way that is hidden from or not understood by the user, and in that sense, apparently “magical”: I downloaded an app that automagically adds a travel itinerary to my calendar whenever I buy a plane ticket.
- automatically — without volition or from force of habit; mechanically: Whenever I hear that song, I automatically think of my dad.
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autonomically — autonomous.
- autorickshaws — Plural form of autorickshaw.
- autoschediasm — anything done with little forethought or preparation
- autoschediaze — to do or act with little forethought or preparation
- autotoxicosis — autointoxication.
- averruncation — the act of averting or turning away
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- back mutation — the reversion of a mutant to the original phenotype
- back-up light — a light on the rear of a motor vehicle to warn others that the vehicle is being reversed
- badminton cup — a long refreshing drink of claret with soda water and sugar
- bank discount — interest on a loan deducted from the principal amount when the loan is made and based on the loan's face value
- 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.
- beta function — a function of two variables, usually expressed as an improper integral and equal to the quotient of the product of the values of the gamma function at each variable divided by the value of the gamma function at the sum of the variables.
- biculturalism — the characteristics, or policy, of a two-cultured society
- bidenticulate — having two small teeth or toothlike processes.
- bioaccumulate — (of substances, esp toxins) to build up within the tissues of organisms