13-letter words containing a, g, o
- antioestrogen — a drug that inhibits the activity of oestrogens
- antioncogenes — Plural form of antioncogene.
- antioxidizing — to convert (an element) into an oxide; combine with oxygen.
- antireligious — opposed to religious ideas, beliefs, and organizations
- anything goes — If people say 'anything goes', they mean that anything people say or do is considered acceptable, and usually they mean that they do not approve of this.
- apogeotropism — negative geotropism, as shown by plant stems
- apologeticism — An instance of the use of apologetics.
- apophlegmatic — having the ability to remove phlegm
- apostolic age — the earliest period of Christianity, lasting through the death of the last apostle.
- apothegmatise — to speak in apothegms
- apotheosizing — Present participle of apotheosize.
- appoggiaturas — Plural form of appoggiatura.
- appropriating — Present participle of appropriate.
- approximating — Present participle of approximate.
- apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
- arc cotangent — the angle, measured in radians, that has a cotangent equal to a given number. Symbol: cot −1. Abbreviation: arc cot.
- archaelogical — Nonstandard spelling of archaeological.
- archaeologian — (archaic) An archaeologist.
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archaezoology — the analysis and interpretation of animal remains found at archaeological sites
- archeological — of or relating to archaeology.
- archeologists — archaeology.
- archipelagoes — Plural form of archipelago.
- arcticologist — a person who specializes in arcticology.
- argentiferous — containing or bearing silver
- argilliferous — containing or yielding clay
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
- arroyo grande — a town in SW California.
- arshile gorky — Arshile [ahr-sheel] /ˈɑr ʃil/ (Show IPA), (Vosdanig Adoian) 1904–48, American painter, born in Armenia.
- arteriography — the X-ray examination of an artery or arterial system after injection of a contrast medium into the bloodstream
- aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
- as all getout — Commerce. the break-even point.
- ashtanga yoga — a vigorous form of yoga involving a sequence of poses
- aspergillosis — a rare fungal infection, esp of the mucous membranes or lungs, caused by various species of Aspergillus
- assyriologist — A person who studies ancient Assyria.
- astacological — relating to astacology
- astereognosis — inability to recognize objects by touch
- astonishingly — causing astonishment or surprise; amazing: an astonishing victory; an astonishing remark.
- athenagoras i — (Aristocles Spyrou) 1886–1972, Archbishop Ecumenical of Constantinople and Ecumenical Patriarch of the Greek Orthodox Church 1948–72.
- atherogenesis — (medicine) The formation of atheromas, especially on the walls of the arteries.
- atomic energy — nuclear energy
- atomic weight — the weight of one atom of an element expressed in atomic mass units: it is the average weight of all the isotopes of the element
- auctioneering — Present participle of auctioneer.
- audio-lingual — pertaining to listening comprehension and speaking, especially in learning a foreign language.
- audiographics — audiographic teleconferencing
- augmentations — Plural form of augmentation.
- auguste comte — (Isidore) Auguste (Marie François) [ee-zee-dawr oh-gyst ma-ree frahn-swa] /i ziˈdɔr oʊˈgüst maˈri frɑ̃ˈswa/ (Show IPA), 1798–1857, French founder of the philosophical system of positivism.
- autobiography — Your autobiography is an account of your life, which you write yourself.
- autodigestion — (biology) The digestion of tissue by enzymes produced by the organism itself.