13-letter words containing a, t, r, i, l
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine
- alfred austin — Alfred, 1835–1913, English poet: poet laureate 1896–1913.
- all over with — above in place or position: the roof over one's head.
- all-important — crucial; vital
- allergenicity — causing allergic sensitization.
- alligator gar — a large, heavily scaled fish, Lepisosteus spatula, with an elongated body and long snout, found mainly in shallow weedy fresh water in the southeastern U.S.
- alligatorfish — a slender marine fish, Aspidophoroides monopterygius, of Atlantic seas, having overlapping plates covering the body.
- alliterations — Plural form of alliteration.
- allochromatic — Physical Chemistry. pertaining to or having photochemical properties resulting from an impurity or from exposure to radiation.
- allotriomorph — (geology) A mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.
- allotriophagy — (rare) Having food cravings that are different from the expected or the norm.
- allylthiourea — thiosinamine.
- alpha emitter — a radioactive isotope that emits alpha particles
- alphabetarian — a person learning, or studying, the alphabet
- alphabetiform — having similarities to letters of the alphabet
- alpine tundra — a tundra that is treeless because of high elevation rather than high latitude.
- alstroemerias — Plural form of alstroemeria.
- alternatingly — to interchange repeatedly and regularly with one another in time or place; rotate (usually followed by with): Day alternates with night.
- alternatively — You use alternatively to introduce a suggestion or to mention something different to what has just been stated.
- alternativism — The rejection of a social normality through the pursuit of alternatives.
- alternativity — A characteristic of something having alternative connotations, akin to the representation of choice between two or more possibilities.
- 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
- aminotriazole — a white, crystalline, soluble powder, NHNC(NH2)NCH, used for killing weeds or other undesired vegetation: a carcinogen
- amitriptyline — a tricyclic antidepressant drug. Formula: C20H23N
- amitryptyline — a drug with several uses, most commonly prescribed to treat depression
- amphiprostyle — (esp of a classical temple) having a set of columns at both ends but not at the sides
- amphitheatral — relating to an amphitheatre, taking place in an amphitheatre
- amplificatory — of the nature of enlargement or extension, as of a statement, narrative, etc.
- angelica tree — Hercules'-club
- animal rights — People who are concerned with animal rights believe very strongly that animals should not be exploited or harmed by humans.
- animal starch — glycogen.
- answerability — liable to be asked to give account; responsible: He is answerable to a committee for all his decisions.
- anthropologic — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- anti-allergic — intended to prevent or minimize an allergic reaction
- anti-burglary — the felony of breaking into and entering the house of another at night with intent to steal, extended by statute to cover the breaking into and entering of any of various buildings, by night or day.
- anti-cultural — of or relating to culture or cultivation.
- anti-morality — conformity to the rules of right conduct; moral or virtuous conduct.
- anti-rational — agreeable to reason; reasonable; sensible: a rational plan for economic development.
- anti-roll bar — a crosswise rubber-mounted bar in the suspension of a motor vehicle, which counteracts the movement downward on one side when cornering
- antibacterial — effective against bacteria
- antibillboard — indicating an opposition to the erection of billboards
- anticlinorium — a vast elongated anticline with its strata further folded into anticlines and synclines
- antidiarrheal — An antidiarrheal is a substance used to prevent or treat diarrhea.
- antielectrons — Plural form of antielectron.
- antiempirical — Going against what is empirically true.
- antifertility — acting to suppress fertility or as a contraceptive
- antiformalist — opposed to formalism
- antiguerrilla — acting against guerrilla activity
- antilittering — (of a campaign) intended to discourage litter dropping
- antilogarithm — a number whose logarithm to a given base is a given number