13-letter words containing a, c, s, e, o
- antielectrons — Plural form of antielectron.
- antiobscenity — opposed to or working to combat obscenity
- antioncogenes — Plural form of antioncogene.
- antirecession — acting against recession
- antiresonance — a phenomenon in an electric, acoustic, or other such system in which the impedance is tending to infinity.
- antiselection — adverse selection.
- apicomplexans — Plural form of apicomplexan.
- apologeticism — An instance of the use of apologetics.
- apostolic age — the earliest period of Christianity, lasting through the death of the last apostle.
- apostolic see — the see of the pope regarded as the successor to Saint Peter
- appeals court — An appeals court is the same as an appellate court.
- apperceptions — Plural form of apperception.
- appreciations — Plural form of appreciation.
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archeologists — archaeology.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- archipelagoes — Plural form of archipelago.
- aristocracies — Plural form of aristocracy.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- armored scale — any of a family (Diaspididae) of scale insects characterized by a hard, waxy secretion that covers the body: many armored scales are serious pests of trees and shrubs
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arthroscopies — Plural form of arthroscopy.
- arundinaceous — resembling a reed
- ascension day — the 40th day after Easter, when the Ascension of Christ into heaven is celebrated
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday
- ascoli piceno — a town in E central Italy, in the Marches: capital of the Roman province of Picenum; site of the massacre of all its Roman citizens in the Social War in 90 bc. Pop: 51 375 (2001)
- assembly code — assembly language
- asset account — An asset account is an account that records the assets owned by a company.
- associateship — to connect or bring into relation, as thought, feeling, memory, etc.: Many people associate dark clouds with depression and gloom.
- associatively — in an associative or connective manner
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- at one's back — behind, esp in support or pursuit
- athletic shoe — a shoe designed to be worn for sports, exercising, or recreational activity, as racquetball, jogging, or aerobic dancing.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atroceruleous — a deep blue-black color.
- atrociousness — The state of being atrocious.
- auction house — a commercial company that specializes in selling items at auction
- audaciousness — Risky or daring behaviour.
- audiocassette — a cassette containing audiotape
- auguste comte — (Isidore) Auguste (Marie François) [ee-zee-dawr oh-gyst ma-ree frahn-swa] /i ziˈdɔr oʊˈgüst maˈri frɑ̃ˈswa/ (Show IPA), 1798–1857, French founder of the philosophical system of positivism.
- auto-destruct — self-destruct.
- autocatalyses — Third-person singular simple present indicative form of autocatalyse.
- autocephalous — (of an Eastern Christian Church) governed by its own national synods and appointing its own patriarchs or prelates
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autoschediasm — anything done with little forethought or preparation
- autoschediaze — to do or act with little forethought or preparation
- bachelor seal — a young male seal, esp a fur seal, that has not yet mated
- bachelorettes — Plural form of bachelorette.
- back emission — the secondary emission of electrons from an anode