11-letter words containing a, t, o, n
- afternooner — a person or thing that appears, flourishes, etc., in the afternoon: One of radio's favorite afternooners is a soap opera.
- agathodemon — Alternative spelling of agathodaemon.
- aggradation — to raise the grade or level of (a river valley, a stream bed, etc.) by depositing detritus, sediment, or the like.
- aggravation — the act of aggravating, or making worse, or the condition of being aggravated
- aggregation — the act or process of aggregating
- aggrupation — (Philippines) A group, an organization.
- agitational — the act or process of agitating; state of being agitated: She left in great agitation.
- agnosticism — Agnosticism is the belief that it is not possible to say definitely whether or not there is a God. Compare atheism.
- agonistical — relating to conflict or struggle
- agonothetes — a person who presided over the ancient Olympic Games
- agronomists — Plural form of agronomist.
- aid station — a medical station in a forward area where the sick and wounded are given emergency treatment
- air station — an airfield, usually smaller than an airport but having facilities for the maintenance of aircraft
- aldermaston — a village in S England, in West Berkshire unitary authority, Berkshire, SW of Reading: site of the Atomic Weapons Research Establishment and starting point of the Aldermaston marches (1958–63), organized by the Campaign for Nuclear Disarmament. Pop: 927 (2001)
- aldopentose — a monosaccharide with five carbon atoms
- aldosterone — the principal mineralocorticoid secreted by the adrenal cortex. A synthesized form is used in the treatment of Addison's disease. Formula: C21H27O5
- alendronate — (organic chemistry) Any salt or ester of alendronic acid.
- alkanethiol — any compound containing an alkyl group joined to a mercapto group, as methyl mercaptan or methanethiol, CH 3 SH.
- all at once — If something happens all at once, it happens suddenly, often when you are not expecting it to happen.
- allantoidal — (anatomy) Of or relating to the allantois.
- allantoides — Plural form of allantois.
- allegations — Plural form of allegation.
- allemontite — a white to gray, brittle mineral, antimony arsenide, AsSb, occurring in reniform masses: formerly used as an ore of arsenic.
- alleviation — an alleviating or being alleviated
- alligations — Plural form of alligation.
- allineation — the state of being organized in a line or lines
- alloantigen — an antigen present in some but not all individuals of the same species, as those in different human blood groups.
- allocations — Plural form of allocation.
- allocentric — Concerned with the interests of others more than one's own; community-minded.
- allocutions — Plural form of allocution.
- almond tree — a small widely cultivated rosaceous tree, Prunus amygdalus, that is native to W Asia and has pink flowers and a green fruit containing an edible nutlike seed
- alpenstocks — Plural form of alpenstock.
- alt.country — a genre of country music originating in the 1990s and influenced by both early country music and contemporary rock music
- altar stone — a large stone used as an altar
- alterations — adjustments
- altercation — An altercation is a noisy argument or disagreement.
- alternation — successive change from one condition or action to another and back again repeatedly
- alternators — Plural form of alternator.
- altiloquent — (of language) high-flown or pretentious.
- amazonstone — A bluish-green variety of microcline feldspar used as a gemstone. The best known occurrences are at Crystal Peak and Pike's Peak in Colorado.
- ambiguation — Act of ambiguating.
- ambitioning — an earnest desire for some type of achievement or distinction, as power, honor, fame, or wealth, and the willingness to strive for its attainment: Too much ambition caused him to be disliked by his colleagues.
- amblygonite — a white or greyish mineral consisting of lithium aluminium fluorophosphate in triclinic crystalline form. It is a source of lithium. Formula: (Li,Na)Al(PO4)(F,OH)
- amentaceous — of or like an ament or aments
- amethocaine — The drug tetracaine.
- aminobutene — a synthetic pain-relieving drug
- aminoketone — Any chemical compound containing both a ketone group and an amine.
- aminopterin — a derivative of pterin used in chemotherapy
- ammoniation — (chemistry) Treatment, or reaction with ammonia.
- ammonotelic — excreting ammonia as the main nitrogenous waste: characteristic of freshwater fishes and many aquatic invertebrates