12-letter words containing r, i
- agrobusiness — the businesses collectively associated with the production, processing, and distribution of agricultural products.
- agrochemical — a chemical, such as a pesticide, used for agricultural purposes
- agroindustry — an activity combining agriculture and industry
- aide-memoire — An aide-memoire is something such as a list that you use to remind you of something.
- aids-related — caused by or associated with the AIDS virus
- aileron roll — a roll consisting of one or more rotations, usually controlled by the use of ailerons.
- ailurophiles — Plural form of ailurophile.
- ailurophilia — a liking for cats, as by cat fanciers.
- ailurophilic — relating to ailurophilia
- ailurophobes — Plural form of ailurophobe.
- ailurophobia — an abnormal fear of cats
- ailurophobic — relating to ailurophobia
- air corridor — an air route along which aircraft are allowed to fly
- air cylinder — a cylinder containing air, esp one fitted with a piston and used for damping purposes
- air disaster — a very serious air crash in which in a lot of people are killed or injured
- air division — an organizational unit smaller than an air force, usually composed of a headquarters and two or more wings
- air drilling — Air drilling is a drilling method in which compressed air or nitrogen is used to cool the drill bit and lift cuttings out of the wellbore.
- air embolism — the presence in the tissues and blood of a gas, such as air or nitrogen bubbles, caused by an injection of air or, in the case of nitrogen, by an abrupt and substantial reduction in the ambient pressure
- air layering — a method of propagating a plant by girdling or cutting part way into a stem or branch and packing the area with a moist medium, as sphagnum moss, stimulating root formation so that the stem or branch can be removed and grown as an independent plant.
- air mattress — an inflatable mattress or pad, as of plastic or rubber, used for camping, as an extra bed, etc.
- air ministry — (in England) the department of government administering all civil and military matters concerning aviation.
- air observer — observer (def 3).
- air pressure — the force of air pressing down on an area
- air purifier — a device which removes pollutants and allergens from the air
- air terminal — An air terminal is a building in which passengers wait before they get on to an aeroplane.
- air-breather — an aircraft, missile, or submarine engine that requires air from the atmosphere for the combustion of its fuel.
- air-sea base — a centre from which military aircraft and naval vessels operate
- airbrush out — to remove evidence of (someone or something from photographs, books, or history)
- aircraftsman — a person holding the rank of noncommissioned officer in the RAF.
- airfreighted — Simple past tense and past participle of airfreight.
- airpocalypse — (informal) The presence of dense smog in many parts of China.
- airport code — a three-letter abbreviation of the names of the world's major airports, used especially as an identifier for routing baggage.
- airtightness — the quality of being airtight
- al-khwarizmi — Muhammad ibn Musa al-Khwarizmi
- alarm signal — a signal warning of danger
- alberti bass — a reiterated broken-chord figure used as an accompaniment, especially in 18th-century rococo keyboard music.
- alcaptonuria — Alternative spelling of alkaptonuria.
- aldebaranium — (chemistry, obsolete) A rejected name for ytterbium.
- aldermanlike — resembling an alderman, esp in being pompous
- alexander ii — 1198–1249, king of Scotland (1214–49), son of William (the Lion)
- alexander iv — (Rinaldo Conti) died 1261, Italian ecclesiastic: pope 1254–61.
- alexander vi — original name Rodrigo Borgia. 1431–1503, pope (1492–1503): noted for his extravagance and immorality as well as for his patronage of the arts; father of Cesare and Lucrezia Borgia, with whom he is said to have committed incest
- alexandrines — Plural form of alexandrine.
- alexandrinus — the Greek uncial codex, dating from the early 5th century a.d., originally containing the complete text of the Greek Old and New Testaments.
- alexipharmac — an antidote
- alexipharmic — acting as an antidote
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- alice palmer — Alice Elvira, 1855–1902, U.S. educator.
- alice's fern — Hartford fern.
- alieni juris — under the control of another, as a lunatic or infant.