12-letter words containing a, l
- 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
- alveolectomy — The surgical reshaping of the alveolar ridge to facilitate dental prosthesis.
- alveopalatal — articulated with the blade or front of the tongue approaching or touching the front of the hard palate near its junction with the alveolar ridge; having a primary palatal articulation and a secondary alveolar articulation.
- alyce clover — a tropical perennial clover (Alysicarpus vaginalis) sometimes used as a cover crop and for fodder
- amalgamating — Present participle of amalgamate.
- amalgamation — the action or process of amalgamating
- amalgamative — of or relating to amalgamation
- amateurishly — In an amateurish or nonprofessional manner.
- ambisyllabic — (of a single speech sound or cluster) shared phonetically by two contiguous syllables, as the single n -sound of any or the pl -cluster of grappling.
- ambitionless — without ambition, unambitious
- ambivalently — in an ambivalent manner
- ambrettolide — a colorless liquid, C 16 H 28 O 2 , having a strong musky odor, used as a fixative in the manufacture of perfume.
- ambulanceman — An ambulanceman is a man who drives an ambulance or takes care of people in an ambulance on the way to hospital.
- ambulatories — Plural form of ambulatory.
- ambulatorily — By or in terms of walking.
- amdahl's law — (parallel) (Named after Gene Amdahl) If F is the fraction of a calculation that is sequential, and (1-F) is the fraction that can be parallelised, then the maximum speedup that can be achieved by using P processors is 1/(F+(1-F)/P).
- 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
- amelogenesis — the production of enamel by ameloblasts
- amenableness — The state or quality of being amenable.
- american elk — elk (def 2).
- american elm — an elm, Ulmus americana, of North America, cultivated for shade and ornament: state tree of Massachusetts, Nebraska, and North Dakota.
- amicableness — The state or quality of being amicable.
- aminophenols — Plural form of aminophenol.
- amiphenazole — A respiratory stimulant traditionally used as an antidote for barbiturate or opiate overdose, usually in combination with bemegride.
- amissibility — the quality of being amissible
- amitotically — the direct method of cell division, characterized by simple cleavage of the nucleus without the formation of chromosomes.
- ampelography — the science concerned with the identification and classification of grapevines
- ampere's law — the law that a magnetic field induced by an electric current is, at any point, directly proportional to the product of the current intensity and the length of the current conductor, inversely proportional to the square of the distance between the point and the conductor, and perpendicular to the plane joining the point and the conductor.
- amphibiology — The branch of science that deals with amphibious animals.
- amphibiously — In the manner of an amphibian.
- amphiblastic — (of animal ova) showing complete but unequal cleavage after fertilization
- amphibolitic — Of, pertaining to, or composed of an amphibolite.
- amphicoelous — (of the vertebrae of most fishes and some amphibians) concave at the anterior and posterior ends
- amphidiploid — a plant originating from hybridization between two species in which the chromosome number is the sum of the chromosome numbers of both parental species. It behaves as an independent species
- amphiregulin — (protein) A particular autocrine growth factor.
- ampullaceous — shaped like an ampulla or a bladder
- amuse-gueule — amuse-bouche.
- amygdaliform — almond-shaped.
- amygdaloidal — (of a volcanic rock) containing amygdales
- amygdalotomy — (surgery) Surgical removal of the amygdala.
- amyl acetate — banana oil
- amyl alcohol — a colourless flammable liquid existing in eight isomeric forms that is used as a solvent and in the manufacture of organic compounds and pharmaceuticals. Formula: C5H11OH
- amyl nitrite — a yellowish unstable volatile fragrant liquid used in medicine as a vasodilator and in perfumes. Formula: (CH3)2CHCH2CH2NO2
- amyl sulfide — a yellow liquid consisting of a mixture of isomers having the formula (C 5 H 11) 2 S, used chiefly in the preparation of organic sulfur compounds.
- anachronical — Not in the correct date order. Chronologically incorrect.
- anacolouthon — Alternative spelling of anacoluthon (A break in sequence, that occurs when the scheme of a sentence is changed in its course. Incoherence in a sentence.).