12-letter words containing g, o, a, t
- notoungulate — one of the herbivorous, hoofed mammals of the extinct order Notoungulata, best known from the Paleocene to the Pleistocene Epochs of South America.
- nugatoriness — Quality of being nugatory.
- object glass — objective (def 3).
- obligational — obligatory.
- obligatorily — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- obliterating — Present participle of obliterate.
- obtuse angle — an angle greater than 90° but less than 180°.
- oceanologist — the practical application of oceanography.
- octagenarian — One who is between the ages of 80 and 89, inclusive.
- octogenarian — of the age of 80 years.
- odontography — a treatise regarding the teeth
- oesophagitis — Alternative spelling of esophagitis.
- oil painting — the art or technique of painting with oil colors.
- olefiant gas — ethylene (def 2).
- oligochaetes — Plural form of oligochaete.
- oligodactyly — The presence of fewer than the usual number of fingers or toes.
- on a tangent — on a completely different or divergent course, esp of thought
- on aggregate — If one team beats another on aggregate, it wins because it has a higher total score than the other team after a series of games.
- on the cadge — engaged in cadging
- on the wagon — any of various kinds of four-wheeled vehicles designed to be pulled or having its own motor and ranging from a child's toy to a commercial vehicle for the transport of heavy loads, delivery, etc.
- oneg shabbat — a Jewish celebration in honor of the Sabbath that takes place on Friday evening or Saturday afternoon and usually includes a program of songs, a lecture, and refreshments.
- ophthamology — Misspelling of ophthalmology.
- opinionating — Present participle of opinionate.
- opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
- opthalmology — Misspelling of ophthalmology.
- optical grep — vgrep
- orange stick — a slender, rounded stick, originally of orangewood, having tapered ends and used in manicuring, especially to push back the cuticles or clean the fingernails.
- oregon trail — a route used during the U.S. westward migrations, especially in the period from 1840 to 1860, starting in Missouri and ending in Oregon. About 2000 miles (3200 km) long.
- organisation — the act or process of organizing.
- organization — the act or process of organizing.
- organoleptic — perceived by a sense organ.
- organotropic — designating or of a substance or virus that travels predominantly to a specific organ
- oriental rug — a rug or carpet woven usually in Asia and characterized by hand-knotted pile.
- originations — Plural form of origination.
- ornithogalum — any plant of the genus Ornithogalum
- orthognathic — straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.
- orthogonally — Mathematics. Also, orthographic. pertaining to or involving right angles or perpendiculars: an orthogonal projection. (of a system of real functions) defined so that the integral of the product of any two different functions is zero. (of a system of complex functions) defined so that the integral of the product of a function times the complex conjugate of any other function equals zero. (of two vectors) having an inner product equal to zero. (of a linear transformation) defined so that the length of a vector under the transformation equals the length of the original vector. (of a square matrix) defined so that its product with its transpose results in the identity matrix.
- orthographer — a person versed in orthography or spelling.
- orthographic — of or relating to orthography.
- osteological — Of or relating to osteology.
- oto-manguean — a family of American Indian languages spoken in central and southern Mexico, including Mixtec, Zapotec, and Otomi.
- out-marriage — a marriage to someone outside one's ethnic group
- outbalancing — Present participle of outbalance.
- outfangthief — the right of a lord to try a thief captured within his jurisdiction, regardless of where the thief is from
- outgeneraled — Simple past tense and past participle of outgeneral.
- outmigration — to leave a region, community, etc., to move or settle into a different part of one's country or home territory: People are no longer out-migrating from the South in such large numbers.
- outrageously — In an outrageous manner; to an outrageous degree.
- outspreading — Present participle of outspread.
- outstandings — Outstanding amounts; unpaid debts.
- over against — in opposition to; contrary to; adverse or hostile to: twenty votes against ten; against reason.