15-letter words containing a, m, o, c
- nonmatriculated — not matriculated, not enrolled in an institution, esp a college or university
- nonmelodramatic — Not melodramatic.
- nonmetaphorical — not metaphorical; literal
- nonmucilaginous — Not mucilaginous.
- normally-closed — Normally-closed switch contacts are in a closed state at rest.
- norman conquest — the conquest of England by the Normans, under William the Conqueror, in 1066.
- northcountryman — a native or inhabitant of the North of England
- obituary column — the division of a publication reserved for obituaries
- occipitomastoid — (anatomy) Relating to, or connecting the occipital and mastoid bones.
- ocean of storms — the largest of the dark plains (maria) on the surface of the moon, situated in the second and third quadrant
- of mice and men — a novel (1937) and play (1938) by John Steinbeck.
- officer of arms — an officer with the duties of a herald, especially one charged with the devising, granting, or confirming of armorial bearings.
- official family — the executives or officials chiefly responsible for the operation of an organization or government.
- old clothes man — a person who deals in second-hand clothes
- omega-algebraic — In domain theory, a complete partial order is algebraic if every element is the lub of some chain of compact elements. If the set of compact elements is countable it is omega-algebraic. Usually written with a Greek letter omega (LaTeX \omega).
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- onomasiological — the study of the means of expressing a given concept.
- opencast mining — mining by excavating from the surface
- ophthalmoscopes — Plural form of ophthalmoscope.
- ophthalmoscopic — Of, pertaining to or using an ophthalmoscope.
- optical pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
- opus anglicanum — fine embroidery, esp of church vestments, produced in England c.1200–c.1350; characterized by the rich materials used, esp silver gilt thread
- orange chromide — an Asian cichlid fish, Etropus maculatus, with a brownish-orange spotted body
- ordinary income — taxable income, as salary and wages, other than capital gains.
- organic farming — farming with organic methods
- organized crime — illegal activities co-ordinated by groups
- organomercurial — an organic compound containing mercury
- oscars ceremony — a formal annual event in the United States in which small gold statuettes are awarded by the Academy of Motion Picture Arts and Sciences for outstanding achievements in films
- over-compensate — to compensate or reward excessively; overpay: Some stockholders feel the executives are being overcompensated and that bonuses should be reduced.
- over-compliance — the act of conforming, acquiescing, or yielding.
- overachievement — to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
- overcommunicate — to communicate excessively
- overcompensated — to compensate or reward excessively; overpay: Some stockholders feel the executives are being overcompensated and that bonuses should be reduced.
- overcompensates — Third-person singular simple present indicative form of overcompensate.
- pacific madrone — any of several evergreen trees belonging to the genus Arbutus, of the heath family, especially A. menziesii (Pacific madrone) of western North America, having red, flaky bark and bearing edible reddish berries.
- pairs champions — competitors in or winners of a pairs championship
- paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
- palindromically — 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.
- pamprodactylous — having all four toes directed forward, as in swifts and colies.
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- pantopragmatics — universal intervention in the affairs of others
- parent compound — a compound from which derivatives may be obtained.
- pectoral muscle — muscle of the chest
- performance art — a collaborative art form originating in the 1970s as a fusion of several artistic media, as painting, film, video, music, drama, and dance, and deriving in part from the 1960s performance happenings.
- performance car — a car that can go very fast and can increase its speed very quickly
- pergamentaceous — (esp of plants) resembling parchment, whether in texture or composition
- personal column — The personal column in a newspaper or magazine contains messages for individual people and advertisements of a private nature.
- phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
- pharmacological — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacotherapy — the treatment of disease through the administration of drugs.