8-letter words containing c, i, a, o
- ammoniac — a strong-smelling gum resin obtained from the stems of the N Asian umbelliferous plant Dorema ammoniacum and formerly used as an expectorant, stimulant, perfume, and in porcelain cement
- amnionic — Amniotic.
- amniotic — of or relating to the amnion
- amorphic — Having no defined shape, lacking form; amorphous.
- amphoric — resembling the sound produced by blowing into a bottle. Amphoric breath sounds are heard through a stethoscope placed over a cavity in the lung
- amplicon — A piece of DNA or RNA formed as the products of natural or artificial amplification events, as in a polymerase chain reaction.
- anabolic — of or relating to anabolism
- anagogic — of or relating to an anagoge.
- analogic — based on, involving, or expressing an analogy.
- anamonic — A mnemonic used for recalling lists of words, particularly in Scrabble, consisting of a \"stem\" of base letters and an accompanying phrase, each of whose letters can combine with the stem to form an anagram of a word.
- anatomic — of or relating to anatomy
- anconoid — resembling the ancon or elbow
- anctious — Obsolete form of anxious.
- anechoic — having a low degree of reverberation of sound
- angelico — Fra (fra), original name Guido di Pietro; monastic name Fra Giovanni da Fiesole. ?1400–55, Italian fresco painter and Dominican friar
- aniconic — (of images of deities, symbols, etc) not portrayed in a human or animal form
- anodynic — relating to the soothing or alleviating of pain
- anomeric — (organic chemistry) Of, or pertaining to anomers.
- anorchia — An intersex condition of XY individuals where both testes are absent at birth.
- anorexic — If someone is anorexic, they are suffering from anorexia and so are very thin.
- anticlot — Countering clotting of the blood.
- anticold — preventing or treating the common cold
- anticous — (in plants) facing the axis of the flower
- antilock — designed to prevent skidding and improve control by sensing and compensating for overbraking
- antirock — opposed to rock music
- aoristic — Grammar. pertaining to the aorist.
- apagogic — relating to apagoge
- apocopic — of or relating to apocope
- apocrine — denoting a type of glandular secretion in which part of the secreting cell is lost with the secretion, as in mammary glands
- apogamic — Of or relating to apogamy.
- aporetic — Tending to doubt.
- apositic — causing apositia
- apricots — Plural form of apricot.
- arciform — shaped like an arch
- armonica — a glass harmonica, being a musical instrument of the 18th century consisting of a set of glass bowls of graduated pitches, played by rubbing the fingers over the moistened rims or by a keyboard mechanism
- armorica — an ancient name for Brittany
- aromatic — An aromatic plant or food has a strong, pleasant smell of herbs or spices.
- arriccio — (formerly in fresco painting) a second coat of plaster, somewhat finer than the first coat, applied over the entire surface and on which the drawing for the fresco is done.
- arvicole — a mouse or water vole that belongs to the genus Arvicola
- asconoid — pertaining to or resembling an ascon.
- ascorbic — Of or pertaining to ascorbic acid or its derivatives.
- asuncion — the capital and chief port of Paraguay, on the Paraguay River, 1530 km (950 miles) from the Atlantic. Pop: 1 750 000 (2005 est)
- atchison — a city in NE Kansas, on the Missouri River.
- atomical — of, pertaining to, resulting from, or using atoms, atomic energy, or atomic bombs: an atomic explosion.
- atrocity — An atrocity is a very cruel, shocking action.
- atrophic — Also, atrophia [uh-troh-fee-uh] /əˈtroʊ fi ə/ (Show IPA). Pathology. a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.
- auctions — Plural form of auction.
- autacoid — any natural internal secretion, esp one that exerts an effect similar to a drug
- autocide — suicide by crashing the vehicle one is driving.
- autocoid — Alternative form of autacoid.