13-letter words containing a, c, t, o, s
- anomalistical — relating to a planet's angular distance from its last perihelion or orbital point nearest to the sun
- anthroposcopy — physiognomy (def 2).
- 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.
- 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.
- appeals court — An appeals court is the same as an appellate court.
- apperceptions — Plural form of apperception.
- appreciations — Plural form of appreciation.
- approach shot — a shot made to or towards the green after a tee shot
- 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.
- archeologists — archaeology.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- 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.
- arthroscopies — Plural form of arthroscopy.
- articulations — Plural form of articulation.
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday
- asset account — An asset account is an account that records the assets owned by a company.
- associability — the condition of or the capacity to be associable or linked or related in thinking
- associateship — to connect or bring into relation, as thought, feeling, memory, etc.: Many people associate dark clouds with depression and gloom.
- associational — relating to association or alliance or an association, alliance or affiliation
- associatively — in an associative or connective manner