12-letter words containing i, a, t, r, o, g
- nonstrategic — pertaining to, characterized by, or of the nature of strategy: strategic movements.
- north-facing — facing towards the north
- nothingarian — A person of no particular beliefs.
- nugatoriness — Quality of being nugatory.
- obligatorily — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- obliterating — Present participle of obliterate.
- octagenarian — One who is between the ages of 80 and 89, inclusive.
- octogenarian — of the age of 80 years.
- opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
- 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.
- orthographic — of or relating to orthography.
- out-marriage — a marriage to someone outside one's ethnic group
- 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.
- outspreading — Present participle of outspread.
- over against — in opposition to; contrary to; adverse or hostile to: twenty votes against ten; against reason.
- overdrafting — the removal of more water from ground and surface basins than is replaced by rain and melting snow.
- overfatigued — excessively fatigued
- overstaffing — the provision of an excessive number of staff for (a factory, hotel, etc)
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- parting shot — a threat, insult, condemnation, sarcastic retort, or the like, uttered upon leaving.
- partitioning — Partitioning is when a solute is distributed between two phases in a separation process.
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- photographic — of or relating to photography.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- pictographic — a pictorial sign or symbol.
- pig-ignorant — extremely ignorant or unknowledgeable
- plagiotropic — growing more or less divergent from the vertical.
- poetastering — the profession of being a poetaster
- pogson ratio — the brightness ratio of two celestial objects that differ by one magnitude. On the Pogson scale a difference of 5 magnitudes is defined as a difference of 100 in the intensities of two stars; therefore a difference of 1 magnitude is equal to the fifth root of 100, i.e. 2.512
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- polar lights — the aurora borealis in the Northern Hemisphere or the aurora australis in the Southern Hemisphere.
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- postorgasmic — of or relating to the period after an orgasm
- postsurgical — pertaining to or involving surgery or surgeons.
- pot marigold — calendula (def 1).
- powerboating — a boat propelled by mechanical power.
- precognizant — having prior cognizance or knowledge of a given thing
- pregustation — the act of tasting beforehand
- premigration — occurring before migration
- prenegotiate — to discuss before a formal negotiation