12-letter words containing o, r, l, a
- ailurophobia — an abnormal fear of cats
- ailurophobic — relating to ailurophobia
- 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
- airpocalypse — (informal) The presence of dense smog in many parts of China.
- alcaptonuria — Alternative spelling of alkaptonuria.
- alcohol-free — (of beer or wine) containing only a trace of alcohol
- alexanderson — Ernst F. W [urnst] /ɜrnst/ (Show IPA), 1878–1975, U.S. engineer and inventor.
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- alkaptonuria — excessive excretion of homogentisic acid in the urine, caused by a hereditary abnormality of the metabolism of tyrosine and phenylalanine.
- all for love — a drama in blank verse (1678) by Dryden.
- all the more — All is used in structures such as all the more or all the better to mean even more or even better than before.
- all together — in chorus, in unison
- all-powerful — An all-powerful person or organization has the power to do anything they want.
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- allegorizing — Present participle of allegorize.
- allegrissimo — (music) A direction in musical notation indicating that the musical piece should be played very fast and lively.
- allelomorphs — Plural form of allelomorph.
- alliteration — Alliteration is the use in speech or writing of several words close together which all begin with the same letter or sound.
- allomorphism — variation in the crystalline form of a chemical compound
- allosauruses — Plural form of allosaurus.
- allotropical — (chemistry, rare) Of or pertaining to an element that exhibits allotropy.
- almond green — a yellowish-green colour
- alstroemeria — any plant of the tuberous perennial liliaceous genus Alstroemeria, originally S American, grown for their brightly coloured orchid-like flowers
- altercations — Plural form of altercation.
- alternations — Plural form of alternation.
- alto-relievo — high relief
- alto-rilievo — alto-relievo
- alto-stratus — a cloud of a class characterized by a generally uniform gray sheet or layer, lighter in color than nimbostratus and darker than cirrostratus: of medium altitude, about 8000–20,000 feet (2450–6100 meters).
- alton towers — a 19th-century Gothic Revival mansion with extensive gardens in NW central England, in Staffordshire: site of a large amusement park
- alyce clover — a tropical perennial clover (Alysicarpus vaginalis) sometimes used as a cover crop and for fodder
- ambrettolide — a colorless liquid, C 16 H 28 O 2 , having a strong musky odor, used as a fixative in the manufacture of perfume.
- ambulatories — Plural form of ambulatory.
- ambulatorily — By or in terms of walking.
- ameliorating — Present participle of ameliorate.
- amelioration — the act or an instance of ameliorating or the state of being ameliorated
- ameliorative — Able to repair or ameliorate.
- amelioratory — tending to ameliorate
- ampelography — the science concerned with the identification and classification of grapevines
- amygdaliform — almond-shaped.
- anachronical — Not in the correct date order. Chronologically incorrect.
- anchor light — a 32-point light, visible from at least two miles away, shown at night near the bow and not more than 20 feet (6 meters) above the deck of a vessel lying at anchor.
- anchor plant — a South American shrub, Colletia cruciata, of the buckthorn family, having flattened green branches and yellowish-white flowers.
- anchoritical — in the manner of or resembling an anchorite
- andragogical — 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.
- androclinium — clinandrium.
- angelo patri — Angelo [an-juh-loh] /ˈæn dʒəˌloʊ/ (Show IPA), 1877–1965, U.S. educator and writer, born in Italy.
- anglo-french — of or relating to England and France
- anglo-norman — relating to the Norman conquerors of England, their society, or their language
- anguilliform — having the shape or form of an eel
- animal lover — a person who feels fondness for animals