10-letter words containing r, o, c, a, i
- afro-chain — (in the Caribbean) a large chain necklace with a central pendant: usually worn with a dashiki by men
- agricultor — (archaic) An agriculturist; a farmer.
- agronomics — the branch of economics dealing with the distribution, management, and productivity of land
- agrypnotic — inducing, relating to, or characterized by insomnia
- air pocket — a localized region of low air density or a descending air current, causing an aircraft to suffer an abrupt decrease in height
- air police — members of an air force assigned to carry on police duties
- air-cooled — An air-cooled engine is prevented from getting too hot when it is running by cool air that passes over it, rather than being cooled by a liquid.
- alacritous — cheerful readiness, promptness, or willingness: We accepted the invitation with alacrity.
- alcoranist — a person who believes in an absolutely literal interpretation of the Koran.
- allometric — Of or pertaining to allometry.
- allopatric — (of biological speciation or species) taking place or existing in areas that are geographically separated from one another
- allosteric — of, relating to, or designating a function of an enzyme in which the structure and activity of the enzyme are modified by the binding of a metabolic molecule
- allotropic — of or characterized by allotropy
- americanos — Plural form of americano.
- amphigoric — a meaningless or nonsensical piece of writing, especially one intended as a parody.
- amphoteric — able to function as either a base or an acid
- anachorism — a geographical misplacement; something located in an incongruous position
- anachronic — out of chronological order or out of date
- anamorphic — of, relating to, or caused by anamorphosis or anamorphism
- anchor ice — ice that forms at the bottom of a lake or river
- anchorites — Plural form of anchorite.
- anchoritic — of or relating to an anchorite
- andragogic — the methods or techniques used to teach adults: Many educators believe that the principles of andragogy, as advanced by Malcolm Knowles, have great relevance to adult education; others are not so certain.
- androecium — the stamens of a flowering plant collectively
- androgenic — any substance, as testosterone or androsterone, that promotes male characteristics.
- anharmonic — of or concerned with an oscillation whose frequency is not an integral factor or multiple of the base frequency
- anhidrotic — curbing the secretion of sweat
- anisocoria — inequality in the size of the pupils.
- anisomeric — (of a chemical compound) lacking isomers
- anorectics — Plural form of anorectic.
- anthracoid — resembling anthrax
- anticorona — a luminous edging around the shadow of an observer or the point where his or her shadow would fall, as thrown by the sun upon a cloud or fog bank.
- antidromic — (of nerve fibres) conducting nerve impulses in a direction opposite to normal
- antierotic — discouraging sexual desire
- antiheroic — relating to or in the manner of an antihero
- aphoristic — of, relating to, or resembling an aphorism
- apotropaic — preventing or intended to prevent evil
- applicator — An applicator is a device that you use to put something somewhere when you do not want to touch it or do it with your hands.
- aprication — the act of sunbathing or basking in the sun
- arachnoids — Plural form of arachnoid.
- aragonitic — relating to aragonite
- arc cosine — Trigonometry. the angle, measured in radians, that has a cosine equal to a given number. Symbol: cos −1. Abbreviation: arc cos;
- archbishop — In the Roman Catholic, Orthodox, and Anglican Churches, an archbishop is a bishop of the highest rank, who is in charge of all the bishops and priests in a particular country or region.
- archegonia — the female reproductive organ in ferns, mosses, etc.
- archeozoic — early Precambrian; Archean
- archipenko — Aleksandr Porfiryevich (alɪkˈsandr parˈfirjɪvitʃ). 1887– 1964, Russian sculptor and painter, in the US after 1923, whose work is characterized by economy of form
- archivolts — Plural form of archivolt.
- arcimboldi — Giuseppe [juh-sep-ee;; Italian joo-zep-pe] /dʒəˈsɛp i;; Italian dʒuˈzɛp pɛ/ (Show IPA), 1527–93, Italian painter.
- arcimboldo — Giuseppe. 1527–93, Italian painter, best remembered for painting grotesque figures composed of fruit, vegetables, and meat
- arcosolium — (in Roman catacombs) an arched recess for a sarcophagus.