11-letter words containing a, c, r, o
- anisotropic — not isotropic; having different physical properties in different directions
- annunciator — a device that gives a visual indication as to which of a number of electric circuits has operated, such as an indicator in a hotel showing in which room a bell has been rung
- antatrophic — preventing or curing atrophy.
- 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
- anthracosis — a lung disease due to inhalation of coal dust
- anthracotic — the deposition of coal dust in the lungs; asymptomatic pneumoconiosis.
- anthropical — relating to human nature
- anticarious — preventing or retarding caries.
- antichoicer — someone who opposes the granting of pregnant women the choice to have an abortion
- anticipator — to realize beforehand; foretaste or foresee: to anticipate pleasure.
- antipyrotic — relieving the pain and stimulating the healing of burns.
- aortic arch — one member of a series of paired curved blood vessels that arise in the embryo from the ventral aorta, pass around the pharynx through the branchial arches, and join with the dorsal aorta to form the great vessels of the head and neck.
- aortoclasia — rupture of the aorta.
- apgar score — system for determining the condition of an infant at birth
- aphrodisiac — An aphrodisiac is a food, drink, or drug which is said to make people want to have sex.
- aponeurotic — a whitish, fibrous membrane that connects a muscle to a bone or fascia.
- apostrophic — a digression in the form of an address to someone not present, or to a personified object or idea, as “O Death, where is thy sting?”.
- applicators — Plural form of applicator.
- applicatory — suitable for application
- 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.
- approaching — coming closer in time
- appropriacy — the condition of delicate and precise fittingness of a word or expression to its context, even when it is chosen from a number of close synonyms
- apricot jam — a sweet preserve made from apricots
- aprioristic — belief in, or reliance upon, a priori reasoning, arguments, or principles.
- 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.
- arachidonic — related to arachidonic acid or the derivatives of arachidonic acid
- arachis oil — peanut oil.
- arachnoidal — relating to the arachnoid
- arachnology — the study of arachnids
- 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
- arc-boutant — flying buttress.
- 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
- archbishops — Plural form of archbishop.
- archdeacons — Plural form of archdeacon.
- archdiocese — An archdiocese is the area over which an archbishop has control.
- archdukedom — the territory ruled by an archduke or archduchess
- archegonial — relating to an archegonium
- archegonium — a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
- archenteron — the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity