13-letter words containing c, a, i, s, o
- anisometropic — relating to anisometropia
- annunciations — Plural form of annunciation.
- anomalistical — relating to a planet's angular distance from its last perihelion or orbital point nearest to the sun
- anti-politics — the science or art of political government.
- anticipations — Plural form of anticipation.
- anticlockwise — If something is moving anticlockwise, it is moving in the opposite direction to the direction in which the hands of a clock move.
- anticollision — intended to avoid collisions
- anticommunism — the opposition to communism
- anticommunist — (initial capital letter) a member of the Communist Party or movement.
- anticorrosion — the prevention or counteracting of corrosion
- anticorrosive — preventing corrosion
- antielectrons — Plural form of antielectron.
- antiobscenity — opposed to or working to combat obscenity
- antiochus iii — known as Antiochus the Great. 242–187 bc, king of Syria (223–187), who greatly extended the Seleucid empire but was forced (190) to surrender most of Asia Minor to the Romans
- antioncogenes — Plural form of antioncogene.
- antipsychotic — preventing or treating psychosis
- antirecession — acting against recession
- antiresonance — a phenomenon in an electric, acoustic, or other such system in which the impedance is tending to infinity.
- antiscorbutic — preventing or curing scurvy
- antiselection — adverse selection.
- antisocialism — the quality of being antisocial
- antisocialist — a person opposed to socialism
- antisociality — the quality of being antisocial
- antispasmodic — preventing or arresting spasms, esp in smooth muscle
- antisudorific — an antiperspirant.
- aphrodisiacal — having an aphrodisiac quality
- apicomplexans — Plural form of apicomplexan.
- apocatastasis — the belief that all free creatures shall experience salvation
- apocryphalist — A member of the group who supported the inclusion of the Apocrypha in the Bible.
- 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
- apostolically — In an apostolic way.
- apperceptions — Plural form of apperception.
- appreciations — Plural form of appreciation.
- arachnivorous — Spider-eating.
- arachnoiditis — an inflammation of the arachnoid membrane
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archbishopric — the rank, office, or jurisdiction of an archbishop
- archeologists — archaeology.
- archipelagoes — Plural form of archipelago.
- arcticologist — a person who specializes in arcticology.
- aristocracies — Plural form of aristocracy.
- aristocratism — the principles of aristocrats
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arthroscopies — Plural form of arthroscopy.
- articulations — Plural form of articulation.
- arundinaceous — resembling a reed
- ascension day — the 40th day after Easter, when the Ascension of Christ into heaven is celebrated