12-letter words containing a, c, o, i
- cabot strait — a channel in Canada, connecting the Gulf of St. Lawrence with the Atlantic Ocean. 68 miles (109 km) wide.
- cabriole leg — a type of furniture leg, popular in the first half of the 18th century, in which an upper convex curve descends tapering to a concave curve
- cachinnation — raucous laughter
- cachinnatory — Pertaining to loud or immoderate laughter.
- cacodaemonic — Daemonic.
- cacophonical — cacophonous
- cacophonious — cacophonous
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- caenogenesis — the development of structures and organs in an embryo or larva that are adaptations to its way of life and are not retained in the adult form
- caesalpinoid — of, relating to, or belonging to the Caesalpinoideae, a mainly tropical subfamily of leguminous plants that have irregular flowers: includes carob, senna, brazil, cassia, and poinciana
- cafe society — people, esp intellectuals and artists who meet in cafés
- calamitously — In a calamitous manner.
- calculations — Plural form of calculation.
- calibrations — Plural form of calibration.
- caliginosity — darkness
- call time on — If you call time on something, you end it.
- call to mind — to remember or cause to be remembered
- calorie-free — containing no calories
- calorimeters — Plural form of calorimeter.
- calorimetric — the measurement of heat.
- calumniation — to make false and malicious statements about; slander.
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- calumniously — in a calumnious manner
- calycoideous — calycoid
- camomile tea — a medicinal beverage made from the fragrant leaves and flowers of any of these plants
- camouflaging — Present participle of camouflage.
- camp bastion — a large British military base in Helmand province, Afghanistan, built in 2006
- camphorating — Present participle of camphorate.
- campo formio — a village in NE Italy, in Friuli-Venezia Giulia: scene of the signing of a treaty in 1797 that ended the war between revolutionary France and Austria
- campodeiform — resembling insects of the genus Campodea
- canalisation — The conversion of a river or other waterway to a canal.
- canalization — the act of canalizing
- cancellation — the fact or an instance of cancelling
- cancerphobia — an excessive fear of getting cancer
- canine corps — a military or law enforcement body which uses dogs for the detection of explosives or drugs or for security, tracking, etc
- canine tooth — canine (def 2).
- cannabinoids — Plural form of cannabinoid.
- canola (oil) — an oil derived from the seed of any of several varieties of the rape plant, used in cooking, salad dressings, etc.: it is low in saturated fats
- canonicalise — (transitive, computing, UK) Alternative form of canonicalize.
- canonicalize — (transitive, computing) To convert (data) into canonical form.
- canonisation — Alternative spelling of canonization.
- canonization — Ecclesiastical. to place in the canon of saints.
- cantillation — the traditional notation representing the various traditional Jewish melodies to which scriptural passages are chanted
- cantillatory — involving chanting or incantation
- canton linen — a fabric made from tough vegetable fibers, used for table linens, wall coverings, etc.
- canton river — Zhu Jiang.
- canyoneering — (US) Canyoning, a hybrid outdoor sport involving the traversal of river canyons.
- capacitation — to make capable; enable.
- caparisoning — Present participle of caparison.