13-letter words containing c, a, o, s
- 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.
- 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
- 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.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- 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.
- 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.
- 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
- 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)
- ascorbic acid — Ascorbic acid is another name for vitamin C.
- ashcan school — a group (formed c. 1908) of U.S. painters who promoted realistic painting based on the direct observation of everyday, esp. urban, events
- assembly code — assembly language
- 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
- associativity — the quality of being associative
- astacological — relating to astacology
- astrodynamics — the study of the motion of natural and artificial bodies in space
- astronautical — of or relating to astronautics or astronauts.
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- astrophysical — Of or pertaining to astrophysics.
- at a discount — below the regular price
- at one's back — behind, esp in support or pursuit
- atamasco lily — any of a genus (Zephyranthes) of bulbous plants of the lily family, with hollow stems, grassy leaves, and funnel-shaped flowers of yellow, pink, red, or purple-tinged white
- athletic shoe — a shoe designed to be worn for sports, exercising, or recreational activity, as racquetball, jogging, or aerobic dancing.