12-letter words containing m, a, o, t, i
- nonimmigrant — A person who is not an immigrant.
- nonimportant — Not important.
- nonmalignant — Not malignant, without malice.
- nonmetameric — not metameric
- nonmigratory — Not migratory; that does not migrate.
- nonnormative — Not normative.
- normal pitch — relative point, position, or degree: a high pitch of excitement.
- normalities' — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- normothermia — (medicine) The condition of having a normal body temperature.
- northumbrian — of or relating to Northumbria, Northumberland, or the inhabitants or dialect of either.
- obambulation — (obsolete) Wandering about; a casual outing.
- obscurantism — opposition to the increase and spread of knowledge.
- oil platform — An oil platform is a structure that is used when getting oil from the ground under the sea.
- oil terminal — a large industrial complex where oil is stored and from which oil is transported elsewhere; an oil depot
- omnidistance — the distance between an omnirange station and a receiver.
- onomastician — the study of the origin, history, and use of proper names.
- onomatapoeia — Misspelling of onomatopoeia.
- onomatomania — An unnatural obsession with a particular word.
- onomatopoeia — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
- onomatopoeic — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
- operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- ophthalmitis — ophthalmia.
- opium addict — someone who is addicted to the dried juice extracted from the unripe seed capsules of the opium poppy
- optic chiasm — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- optimisation — Alternative spelling of optimization.
- optimistical — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- optimization — The design and operation of a system or process to make it as good as possible in some defined sense.
- optometrical — the practice or profession of examining the eyes, by means of suitable instruments or appliances, for defects in vision and eye disorders in order to prescribe corrective lenses or other appropriate treatment.
- ornithogalum — any plant of the genus Ornithogalum
- ornithomancy — Divination by means of birds, their flight, etc.
- osteomalacia — a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
- osteomalacic — a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
- otitis media — inflammation of the middle ear, characterized by pain, dizziness, and impaired hearing.
- 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.
- ovariotomies — Plural form of ovariotomy.
- ovariotomist — a surgeon who performs ovariotomies
- overdominant — excessively dominant
- overdramatic — of or relating to the drama.
- overemphatic — excessive or undue emphasis.
- overestimate — to estimate at too high a value, amount, rate, or the like: Don't overestimate the car's trade-in value.
- overmaturity — (of a tree or forest) the state of having ceased to grow or have commercial value
- overmedicate — to treat with medicine or medicaments.
- overtime ban — a refusal by employees to work overtime
- overtime pay — a higher than normal rate of pay, for work done as overtime
- oxidant smog — photochemical smog.
- paedobaptism — the baptism of infants
- paleoclimate — the climate of some former period of geologic time.
- 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.