12-letter words containing a, g, o
- apportioning — Present participle of apportion.
- apron string — a string for tying an apron on
- archaeologic — Pertaining to archaeology.
- archegoniate — having archegonia
- archeologist — archaeology.
- archipelagos — Plural form of archipelago.
- area bombing — aerial bombing in which bombs are dropped over the general area of a target.
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- arpeggiation — the writing, playing or singing of arpeggios
- arseno group — the bivalent group −As=As−.
- arsino group — the univalent group H 2 As−.
- arteriograms — Plural form of arteriogram.
- arthrography — the X-ray examination of a joint after injection of a contrast medium into the joint space
- assay groove — (in silverwork) a furrow left in a piece by the digging out of metal for assay.
- assignations — Plural form of assignation.
- astacologist — a person who investigates and analyses crayfish
- astanga yoga — a revived ancient form of yoga that involves a fast and powerful series of movements
- astigmometer — an apparatus for measuring the degree of astigmatism.
- astigmoscope — astigmatoscope.
- astoundingly — capable of overwhelming with amazement; stunningly surprising.
- astrobiology — the branch of biology that investigates the possibility of life elsewhere in the universe
- astrogeology — the study of the structure, composition, and history of other planets and other bodies in the solar system
- astrological — the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
- astroturfing — a PR tactic used in politics and advertising in which actors are paid to display overt and apparently spontaneous grassroots support for a particular product, policy, or event
- at long last — finally, after difficulty, delay, or irritation
- atheological — having an aversion or resistance to theology
- attenborough — Sir David. born 1926, British naturalist and broadcaster; noted esp for his TV series Life on Earth (1978), The Living Planet (1983), The Life of Birds (1998), The Life of Mammals (2002), and First Life (2010)
- audiological — Of, or pertaining to, audiology, or the study of hearing.
- audiologists — Plural form of audiologist.
- auger shower — a shower of electrons, photons, etc. resulting from the collision of primary cosmic rays with atomic nuclei in the atmosphere
- augmentation — the act of augmenting or the state of being augmented
- autoallogamy — the ability of some plants of a species to cross-pollinate and others to self-pollinate
- autochangers — Plural form of autochanger.
- autogenously — In an autogenous manner; spontaneously.
- autographing — Present participle of autograph.
- autoignition — Automotive. the spontaneous ignition of fuel when introduced into the combustion chamber of an internal-combustion engine, as a result either of glowing carbon in the chamber or of the heat of compression.
- automatizing — Present participle of automatize.
- automobiling — (dated) present participle of automobile.
- baba gannouj — a salad of cooked eggplant, olive oil, garlic, etc.
- baba ghanouj — a Middle Eastern dish, a puree of broiled eggplant usually with garlic, lemon juice, and tahini, eaten with pita as an appetizer
- babingtonite — a rare, slightly magnetic, black or dark green silicate mineral, Ca2Fe2Si5O14OH, found in cavities in volcanic rock
- back catalog — A musical performer's back catalog is the music that they recorded and released in the past rather than their latest recordings.
- back molding — a molding, as a backband, applied to interior window and door trim to conceal the edge of the wall surface.
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- backgrounded — Simple past tense and past participle of background.
- backgrounder — A backgrounder is a short article in a newspaper or magazine that provides background information about a particular subject.
- backstopping — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- bacteriology — Bacteriology is the science and the study of bacteria.
- bagworm moth — any moth of the family Psychidae
- balladmonger — (formerly) a seller of ballads, esp on broadsheets