12-letter words containing f, r, i, o
- mixed forest — a forest filling the transition from natural coniferous to deciduous forest, and containing both types of tree
- modificatory — modifying.
- moire effect — the appearance, when two regularly spaced sets of lines are superimposed, of a new set of lines (moiré pattern) passing through the points where the original lines cross at small angles.
- monofluoride — (chemistry) any fluoride containing a single fluorine atom in each molecule.
- morbilliform — (of a rash) resembling measles
- mortifyingly — In a mortifying manner; so as to cause great embarrassment.
- moschiferous — giving off or producing musk
- mothproofing — Present participle of mothproof.
- multifarious — having many different parts, elements, forms, etc.
- multiflorous — bearing many flowers, as a peduncle.
- multiformity — having many different shapes, forms, or kinds.
- myofibrillar — Of or pertaining to myofibrils.
- narcotraffic — Traffic in narcotics.
- neo-freudian — of or relating to a group of psychoanalytic thinkers whose modifications of Freudian analytic theory place increased emphasis on ego functions and interpersonal relationships.
- neoformation — a new and abnormal growth of tissue; tumor; neoplasm.
- neurofibrils — Plural form of neurofibril.
- neurofibroma — a benign neoplasm composed of the fibrous elements of a nerve.
- new frontier — the principles and policies of the liberal wing of the Democratic Party under the leadership of President John F. Kennedy.
- noise factor — the ratio of the noise output of an ideal device to the noise output of the unit being tested.
- non-friction — surface resistance to relative motion, as of a body sliding or rolling.
- nondeforming — not causing deformity
- nonflowering — (biology) Of a plant, not flowering; reproducing by means other than pollination from flowers.
- nonforbidden — Unforbidden.
- nonformalism — Absence of, or a belief system that is the opposite of, formalism.
- nonfrivolous — not frivolous
- nonreflexive — (of a relation) neither reflexive nor irreflexive; holding between some members of its domain and themselves, and failing to hold between others
- nonvitrified — Not converted into glass.
- north africa — the northern part of Africa, especially the region north of the tropical rain forest and comprised of Morocco, Algeria, Tunisia, Libya, and that part of Egypt west of the Gulf of Suez.
- north-facing — facing towards the north
- of o's birth — The country, town, or village of your birth is the place where you were born.
- off the grid — not using any of the services, such as bank accounts, public utilites, etc, that allow a person's activities to be monitored by the authorities
- off-islander — a temporary or seasonal resident of an island; island visitor or tourist.
- office hours — hours when a business is open
- office party — a party or informal social gathering for all the employees in a particular organization or department
- officeholder — a person filling a governmental position; public official.
- offscourings — Often, offscourings. something scoured off; filth; refuse.
- oil platform — An oil platform is a structure that is used when getting oil from the ground under the sea.
- oil refinery — plant where crude oil is processed
- old favorite — If you refer to something as an old favorite, you mean that it has been in existence for a long time and everyone knows it or likes it.
- olefin fiber — any of a group of synthetic textile fibers, as Herculon, formed from long-chain polymers no less than 85 percent ethylene, propylene, or other olefin units.
- olfactronics — the measurement and analysis of smells through instruments
- on the fritz — on the fritz, not in working order: Our TV went on the fritz last night.
- organic farm — a farm where organic methods are used for agriculture and animal husbandry
- ostrich fern — a tall North American fern, Matteuccia struthiopteris, with large mature leaves that resemble ostrich plumes, a popular landscaping plant whose curled new leaves, called fiddleheads, are eaten as a vegetable.
- out of print — of, for, or comprising newspapers and magazines: print media.
- out-of-print — being no longer published; no longer printed or reprinted: a bookstore specializing in out-of-print books.
- outer office — the reception area of an office, outside of the main working area
- over-inflate — to distend; swell or puff out; dilate: The king cobra inflates its hood.
- over-qualify — to provide with proper or necessary skills, knowledge, credentials, etc.; make competent: to qualify oneself for a job.
- overclassify — to classify to excess