12-letter words containing m, o, p, s
- non possumus — a statement that something cannot be done: The Pope would not accept a non possumus from the king.
- normed space — any vector space on which a norm is defined.
- numbers pool — Also called numbers, numbers game, numbers racket. an illegal daily lottery in which money is wagered on the appearance of certain numbers in some statistical listing or tabulation published in a daily newspaper, racing form, etc.
- nyctitropism — tending to assume at or just before nightfall positions unlike those maintained during the day, as the leaves or flowers of certain plants.
- obcompressed — compressed or flattened in a way opposite to the usual, as back to front instead of side to side.
- oligospermia — (medicine) Low volume of semen.
- olympic-size — of the dimensions or length prescribed for the Olympic Games and other major athletic competitions: an Olympic-size speed-skating oval.
- 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
- ombrophilous — (of plants) tolerant of wet conditions
- ombrophobous — (of plants) not able to tolerate wet conditions
- ombudsperson — ombudsman (def 2).
- omnipresence — present everywhere at the same time: the omnipresent God.
- omphaloscopy — Introversion.
- on the stump — If politicians are on the stump, they are campaigning for an election.
- 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.
- opisthodomos — Also called posticum. a small room in the cella of a classical temple, as for a treasury.
- 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.
- optometrists — Plural form of optometrist.
- orthotropism — Botany. orthotropic tendency or growth.
- osmoreceptor — A sensory receptor, primarily found in the hypothalamus of most homeothermic organisms, that detects changes in osmotic pressure.
- over-promise — a declaration that something will or will not be done, given, etc., by one: unkept political promises.
- overcompress — to compress, squeeze or condense excessively
- overemphasis — excessive or undue emphasis.
- overoptimism — a disposition or tendency to look on the more favorable side of events or conditions and to expect the most favorable outcome.
- overoptimist — someone who is too optimistic
- overshipment — an act or instance of shipping freight or cargo.
- oversimplify — make too simple
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- paedobaptism — the baptism of infants
- 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.
- paramorphism — the process by which a paramorph is formed.
- paraphimosis — inability to retract the penis into the prepuce as a result of narrowing of the prepuce
- parkinsonism — Parkinson's disease.
- parochialism — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- 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.
- pax vobiscum — peace be with you
- pedomorphism — a speeding up of the rate of development, resulting in an adult form that has the appearance of its larval or juvenile ancestor.
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- perispomenon — (of a Greek word) bearing a circumflex accent on the last syllable
- peristomatic — surrounding a leaf's stoma or stomata
- permissioned — authorization granted to do something; formal consent: to ask permission to leave the room.
- petrochemist — someone who studies petrochemistry or works in the petrochemical industry
- philomelides — a king of Lesbos who wrestled and killed every opponent until he himself was defeated by Odysseus.
- philosophism — spurious or deceitful philosophy.
- phlebotomist — a specialist in phlebotomy.