13-letter words containing a, n, l, o
- aggregational — resulting from aggregation
- agonistically — in an agonistic manner
- agronomically — in an agronomic manner
- air pollution — contamination of the atmosphere
- airline pilot — a person who flies planes as a profession and works for a commercial airline
- airplane mode — a setting on a phone or other mobile device that turns off Wi-Fi, cellular, and other wireless connections.
- airport novel — People sometimes refer to long novels such as thrillers and romances that are written in a popular style as airport novels.
- albumin color — (in textile printing) a color fixed to a fabric by an albuminous mordant.
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine
- alectryomancy — an ancient form of divination, using a rooster to select grains of food placed on letters of the alphabet.
- aleksandropol — a former name of Gumri.
- aleksandrovsk — a city in SE Ukraine, on the Dnieper River.
- aleman lacayo — Jose Arnoldo [hoh-zey ahr-nohl-doh] /hoʊˈzeɪ ɑrˈnoʊl doʊ/ (Show IPA), 1946–2002, president of Nicaragua 1997–2002.
- alkali-loving — (of a plant) requiring a pH of 7.1 to 9 for optimal growth.
- alkaline soil — a soil that gives a pH reaction of 8.5 or above, found esp in dry areas where the soluble salts, esp of sodium, have not been leached away but have accumulated in the B horizon of the soil profile
- all manner of — If you refer to all manner of objects or people, you are talking about objects or people of many different kinds.
- all-consuming — taking up all of someone's time and attention
- all-important — crucial; vital
- alliterations — Plural form of alliteration.
- allochthonous — (of rocks, deposits, etc) found in a place other than where they or their constituents were formed
- allophanamide — biuret.
- allowableness — the quality of being allowable
- alluvial cone — a steep, narrow, cone-shaped alluvial fan formed where a swift stream suddenly slows down, as where an upland stream emerges abruptly into a level plain
- almond willow — a deciduous shrub or small tree, Salix triandra, a species of willow native to Europe and W and Central Asia that has flowers which produce catkins and leaves similar in shape to those of the almond tree
- almond-shaped — oval
- along the way — If something happens on the way or along the way, it happens during the course of a particular event or process.
- alongshoreman — a person employed to load and unload ships
- alonzo church — (person) A twentieth century mathematician and logician, and one of the founders of computer science. Church invented the lambda-calculus and posited a version of the Church-Turing thesis.
- alpha orionis — Betelgeuse
- alpine chough — a bird of the crow family, Pyrrocorax graculus, found in the highest mountain regions of S Europe and central Asia, with a yellow bill, black plumage, and red legs
- aluminiferous — containing or yielding aluminium or alumina
- aluminography — algraphy.
- aluminothermy — a process for reducing metallic oxides using finely divided aluminium powder. The mixture of aluminium and the oxide is ignited, causing the aluminium to be oxidized and the metal oxide to be reduced to the metal
- aluminum book — (publication) Due to a technical screwup some printings of the second edition are actually what the author calls "yucky green". See also book titles.
- aluminum foil — silver paper
- aluminum soap — any of the salts formed by higher carboxylic acids and aluminum, as aluminum oleate, aluminum palmitate, and aluminum stearate.
- amalgamations — Plural form of amalgamation.
- american aloe — century plant
- amino radical — the univalent group, −NH 2 .
- aminophylline — a derivative of theophylline that relaxes smooth muscle and is used mainly to dilate the airways in the treatment of asthma and emphysema
- aminothiazole — (chemistry) A heterocyclic amine, the starting point for synthesis of many compounds, sometimes used as a thyroid inhibitor in the treatment of hyperthyroidism.
- aminotriazole — a white, crystalline, soluble powder, NHNC(NH2)NCH, used for killing weeds or other undesired vegetation: a carcinogen
- ammonia clock — an atomic clock based on the frequency of inversion of the ammonia molecule
- ammonium salt — any salt containing the NH 4 + ion, formed by the neutralization of ammonium hydroxide by an acid.
- amplification — the act or result of amplifying
- anachronously — in an anachronous manner
- anaerobically — (of an organism or tissue) living in the absence of air or free oxygen.
- analogization — A process or act of analogizing.
- analogousness — The quality of being analogous.
- analogy model — (programming) A method of estimating the cost of a proposed software project by extrapolating from the costs and schedules of similar completed projects.