12-letter words containing s, o, n, m
- nyctitropism — tending to assume at or just before nightfall positions unlike those maintained during the day, as the leaves or flowers of certain plants.
- oamaru stone — a kind of limestone, of building quality, found at Oamaru on South Island, New Zealand
- obmutescence — persistent silence
- obscurantism — opposition to the increase and spread of knowledge.
- odd-man rush — an attacking move when the defence is outnumbered by the opposing team
- odontomatous — relating to an odontoma
- of two minds — If you are of two minds, you are uncertain about what to do, especially when you have to choose between two courses of action.
- oil minister — a government official responsible for the oil industry in their country
- old-womanish — Sometimes Offensive. having characteristics considered typical of an old woman, as excessive fussiness or timidity.
- olympus mons — the highest of the giant shield volcanoes on Mars, lying 18°N of the equator. Height: 26 km; base diameter: over 600 km
- ombudsperson — ombudsman (def 2).
- omnibus bill — a bill dealing with, or providing for many different things or cases
- omnidistance — the distance between an omnirange station and a receiver.
- omnipresence — present everywhere at the same time: the omnipresent God.
- omnisciences — Plural form of omniscience.
- omnisciently — having complete or unlimited knowledge, awareness, or understanding; perceiving all things.
- omnishambles — Chiefly British Informal. a situation, especially in politics, in which poor judgment results in disorder or chaos with potentially disastrous consequences.
- omnivorously — eating both animal and plant foods.
- on the stump — If politicians are on the stump, they are campaigning for an election.
- one-man show — a show with only one performer
- onomasiology — the study of the means of expressing a given concept.
- onomastician — the study of the origin, history, and use of proper names.
- 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.
- optimisation — Alternative spelling of optimization.
- or something — You use something in expressions such as 'or something' and 'or something like that' to indicate that you are referring to something similar to what you have just mentioned but you are not being exact.
- osco-umbrian — a group of languages, usually classified as Italic, that contains Oscan and Umbrian.
- outmaneuvers — Third-person singular simple present indicative form of outmaneuver.
- outmodedness — The condition of being outmoded.
- overconsumed — Simple past tense and past participle of overconsume.
- overshipment — an act or instance of shipping freight or cargo.
- oxidant smog — photochemical smog.
- 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.
- parachronism — a chronological error in which a person, event, etc., is assigned a date later than the actual one.
- parkinsonism — Parkinson's disease.
- paronomastic — the use of a word in different senses or the use of words similar in sound to achieve a specific effect, as humor or a dual meaning; punning.
- parsimonious — characterized by or showing parsimony; frugal or stingy.
- perispomenon — (of a Greek word) bearing a circumflex accent on the last syllable
- permissioned — authorization granted to do something; formal consent: to ask permission to leave the room.
- phonesthemic — (of a speech sound) shared by a set of echoic or symbolic words, as the sn- of sneer, snarl, snatch, snide, snitch, snoop, etc.
- phosphamidon — a systemic and contact insecticide, C 1 0 H 1 9 ClNO 5 P, used against beetles, aphids, mites, and other crop pests.
- phrasemonger — phrasemaker (def 2).
- physiognomic — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- pinchcommons — a person who is frugal with food
- plumbaginous — containing graphite.
- pneumatocyst — the cavity of a pneumatophore.
- pneumococcus — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
- point system — Printing. a system for grading the sizes of type bodies, leads, etc., that employs the point as a unit of measurement. Compare point (def 48a).
- poison sumac — a shrub or small tree, Rhus vernix (or Toxicodendron vernix), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it.
- pollyannaism — an excessively or blindly optimistic person.