12-letter words containing r, a, i, n, o
- 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.
- orientations — Plural form of orientation.
- original gum — See o.g (def 1).
- original sin — Theology. a depravity, or tendency to evil, held to be innate in humankind and transmitted from Adam to all humans in consequence of his sin. inclination to evil, inherent in human nature.
- originations — Plural form of origination.
- orion nebula — a luminous nebula in the constellation Orion, in the center of Orion's sword.
- ornithogalum — any plant of the genus Ornithogalum
- ornithomancy — Divination by means of birds, their flight, etc.
- orthognathic — straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.
- orthovanadic — relating to orthovanadates
- osco-umbrian — a group of languages, usually classified as Italic, that contains Oscan and Umbrian.
- 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.
- over-anxious — excessively anxious.
- over-explain — to make plain or clear; render understandable or intelligible: to explain an obscure point. Synonyms: explicate. Antonyms: confuse.
- over-inflate — to distend; swell or puff out; dilate: The king cobra inflates its hood.
- over-reliant — having or showing dependence: reliant on money from home.
- overanalysis — the separating of any material or abstract entity into its constituent elements (opposed to synthesis).
- overcharging — Present participle of overcharge.
- overcramming — excessive cramming
- overdiagnose — (medicine) To diagnose something more often than it actually occurs.
- overdominant — excessively dominant
- overdrafting — the removal of more water from ground and surface basins than is replaced by rain and melting snow.
- overissuance — the act of issuing in excessive amounts
- overorganize — to stress formal structure, status, rules, and details excessively.
- overplanning — the act or instance of planning excessively
- overreaching — to reach or extend over or beyond: The shelf overreached the nook and had to be planed down.
- overreaction — to react or respond more strongly than is necessary or appropriate.
- overreliance — confident or trustful dependence.
- oversanguine — too optimistic
- oversedation — the calming of mental excitement or abatement of physiological function, especially by the administration of a drug.
- overstaffing — the provision of an excessive number of staff for (a factory, hotel, etc)
- overstrained — exerted, taxed, or used to an excessive extent
- overtaxation — to tax too heavily.
- overtime ban — a refusal by employees to work overtime
- ovolactarian — lacto-ovo-vegetarian.
- pack rolling — the hot rolling of metal sheets in two or more thicknesses to produce composite sheets.
- pain control — methods for the relief and management of pain
- paint roller — a roller of absorbent material, mounted on a handle, that is rolled in a trough of paint and then rolled over a flat surface to be painted.
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- panchromatic — sensitive to all visible colors, as a photographic film.
- pantisocracy — a community, social group, etc, in which all have rule and everyone is equal
- parachronism — a chronological error in which a person, event, etc., is assigned a date later than the actual one.
- paradoxidian — relating to the genus Paradoxides
- paradoxurine — relating to the palm civet
- paraffin-oil — a white or colorless, tasteless, odorless, water-insoluble, solid substance not easily acted upon by reagents, consisting of a mixture of hydrocarbons chiefly of the alkane series, obtained from crude petroleum: used in candles, for forming preservative coatings and seals, for waterproofing paper, etc.