9-letter words containing a, c, i
- ahimelech — a priest who was killed by Saul for helping David. I Sam. 21:1–9; 22:9–23.
- ahistoric — not related to or concerned with documented history
- ailanthic — of or relating to the ailanthus tree
- air brick — a ceramic or metal unit the size of a brick, open at the sides for admitting air to a building interior.
- air cargo — cargo transported or to be transported by an air carrier.
- air coach — coach (def 4).
- air corps — (before July 26, 1947) a branch of the U.S. Army concerned with military aviation.
- air cover — the use of aircraft to provide aerial protection for ground forces against enemy air attack
- air crash — a crash involving one or more aircraft
- air force — An air force is the part of a country's armed forces that is concerned with fighting in the air.
- air scoop — a device fitted to the surface of an aircraft to provide air pressure or ventilation from the airflow
- air scout — a scout belonging to a scout troop that specializes in flying, gliding, etc
- air space — a space occupied by air.
- air stack — stack (def 13).
- air-lance — to clean with an air lance.
- airbricks — Plural form of airbrick.
- aircrafts — (nonstandard) Plural form of aircraft.
- airscrews — Plural form of airscrew.
- airy disc — the bright central part of the diffraction pattern of light from a point source that is diffracted by a circular aperture.
- aitchbone — the rump bone or floor of the pelvis in cattle
- akathisic — Relating to, or exhibiting, akathisia.
- alamannic — the high German speech of Switzerland, Alsace, and southwestern Germany. Compare Bavarian (def 3).
- albinotic — of or relating to albinism.
- albitical — related to or formed of albite
- albricias — an expression of joy
- albucasis — Abu al-Qāsim
- alchemies — a form of chemistry and speculative philosophy practiced in the Middle Ages and the Renaissance and concerned principally with discovering methods for transmuting baser metals into gold and with finding a universal solvent and an elixir of life.
- alchemise — to change by or as by alchemy; transmute: to alchemize lead into gold.
- alchemist — An alchemist was a scientist in the Middle Ages who tried to discover how to change ordinary metals into gold.
- alchemize — to alter (an element, metal, etc) by alchemy; transmute
- alchymist — Alternative spelling of alchemist.
- alcimedes — the mother of Jason.
- alcimedon — an Arcadian hero whose daughter, Philao, was seduced by Hercules.
- alcoholic — An alcoholic is someone who cannot stop drinking large amounts of alcohol, even when this is making them ill.
- aldehydic — any of a class of organic compounds containing the group −CHO, which yields acids when oxidized and alcohols when reduced.
- aleatoric — designating or of music that involves chance or unpredictability in composition or performance or both
- alecithal — (of an ovum) having little or no yolk
- alemannic — the group of High German dialects spoken in Alsace, Switzerland, and SW Germany
- aleuronic — related to the aleurone layer
- algaecide — a chemical substance for killing and preventing the growth of algae
- algebraic — Algebraic equations, expressions, and principles are based on or use algebra.
- algeciras — a port and resort in SW Spain, on the Strait of Gibraltar: scene of a conference of the Great Powers in 1906. Pop: 108 779 (2003 est)
- algicidal — killing or preventing the growth of algae
- algicides — Plural form of algicide.
- alicyclic — (of an organic compound) having aliphatic properties, in spite of the presence of a ring of carbon atoms
- aliphatic — (of an organic compound) not aromatic, esp having an open chain structure, such as alkanes, alkenes, and alkynes
- aliteracy — the state or quality of being able but disinclined to read
- alkalotic — characterized by alkalosis
- allantoic — of or in the allantois
- allegoric — consisting of or pertaining to allegory; of the nature of or containing allgegory; figurative: an allegorical poem; an allegorical meaning.