11-letter words containing r, a, c, e, o
- aerosol can — a container for substances stored as aerosols, such as paint, polish, or insecticide
- aerostatics — the study of gases in equilibrium and bodies held in equilibrium in gases
- afforcement — an increase in force or strength
- affordances — Plural form of affordance.
- afrocentric — centered on, emphasizing, or showing the influence of African or, sometimes, African-American history and culture
- aftercooler — a device for cooling compressed air or gases to reduce their volume or temperature.
- afterschool — for students and taking place after they finish their day in school, usually in the late afternoon: He’s looking for an afterschool job. Is there afterschool tutoring in math?
- aftershocks — Plural form of aftershock.
- air officer — a term used to denote the appointment of any officer in the Royal Air Force above the rank of Air Commodore to a position of command
- album cover — the front of the outer packaging of a record album, usually decorated and showing its title and the name of the artist
- aleuromancy — (in ancient times) the use of flour as a means of divination.
- allegorical — An allegorical story, poem, or painting uses allegory.
- allocentric — Concerned with the interests of others more than one's own; community-minded.
- allocheiria — a medical condition in which sensation is felt at a different point on the body from that stimulated
- alt.sources — (messaging, programming) A Usenet newsgroup for posting program source code.
- altercation — An altercation is a noisy argument or disagreement.
- amen corner — in some rural Protestant churches, the seats to the minister's right, once occupied by those leading the responsive amens
- amenorrheic — of or relating to amenorrhea
- anachronize — To refer to, or put into, a wrong time.
- anacreontic — in the manner of the Greek lyric poet Anacreon (?572–?488 bc), noted for his short songs celebrating love and wine
- anal erotic — a person who experiences sexual gratification of the anal area
- anaplerotic — of or relating to anaplerosis
- ancestorial — of, belonging to, or relating to ancestors
- anchor bell — a bell rung in foggy weather by a vessel at anchor.
- anchor deck — a small forecastle housing the machinery for operating the anchors of a ship.
- anchorwomen — Plural form of anchorwoman.
- anemochores — Plural form of anemochore.
- anisocercal — (of fish) having unequal tail-fin lobes
- anisometric — not isometric; having unsymmetrical parts or unequal measurements
- anteportico — a lesser portico preceding a main portico.
- anthochlore — a yellow pigment found in flowers
- anthracnose — any of several fungus diseases of plants and trees, such as vines and beans, characterized by oval dark depressed spots on the fruit and elsewhere
- antichoicer — someone who opposes the granting of pregnant women the choice to have an abortion
- apgar score — system for determining the condition of an infant at birth
- aponeurotic — a whitish, fibrous membrane that connects a muscle to a bone or fascia.
- apprecation — (obsolete) Earnest prayer; devout wish.
- appreciator — to be grateful or thankful for: They appreciated his thoughtfulness.
- approacheth — Archaic third-person singular form of approach.
- apron piece — (in a staircase) a header receiving the ends of rough strings, carriage pieces, and the joists of landings.
- aquaerobics — A form of aerobics done while in water.
- araeometric — relating to araeometry
- araliaceous — of, relating to, or belonging to the Araliaceae, a chiefly tropical family of trees, shrubs, or woody climbers having small clusters of whitish or greenish flowers. The family includes the ivy and ginseng
- arboraceous — resembling a tree
- arborescent — having the shape or characteristics of a tree
- archaeocyte — (in sponges) a type of amoebocyte capable of developing into other types of cells, especially reproductive cells.
- archaeology — Archaeology is the study of the societies and peoples of the past by examining the remains of their buildings, tools, and other objects.
- archaeornis — an extinct primitive Jurassic bird, formerly placed in the genus Archaeornis but now thought to be a species of archaeopteryx
- archaeozoic — Archeozoic
- archdeacons — Plural form of archdeacon.
- archdiocese — An archdiocese is the area over which an archbishop has control.