15-letter words containing o, n, e, s, m
- off one's chump — insane; crazy
- old clothes man — a person who deals in second-hand clothes
- old man's beard — fringe tree.
- old-man's-beard — fringe tree.
- old-man-the-sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
- oligomerisation — Alternative spelling of oligomerization.
- omnibus edition — a television or radio programme consisting of two or more programmes broadcast earlier in the week
- on one's mettle — roused to putting forth one's best efforts
- one-dimensional — having one dimension only.
- oneirocriticism — the art of interpreting dreams.
- ones complement — A system used in some computers to represent negative numbers. To negate a number, each bit of the number is inverted (zeros are replaced with ones and vice versa). This has the consequence that there are two reperesentations for zero, either all zeros or all ones. ... 000...00011 = +3 000...00010 = +2 000...00001 = +1 000...00000 = +0 111...11111 = -0 111...11110 = -1 111...11101 = -2 111...11100 = -3 ... Naive logic for ones complement addition might easily conclude that -0 + 1 = +0. The twos complement avoids this by using all ones to represent -1.
- open admissions — a policy of admitting applicants to an institution, especially a university, regardless of previous academic record or grades.
- opencast mining — mining by excavating from the surface
- opening batsman — a player who bats the first ball in cricket
- openmouthedness — the state or condition of being filled with amazement and wonder
- operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
- opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
- orangeman's day — the 12th of July, celebrated by Protestants in Northern Ireland to commemorate the anniversary of the Battle of the Boyne (1690)
- orangemen's day — July 12, an annual celebration in Northern Ireland and certain cities having a large Irish section, especially Liverpool, to mark both the victory of William III over James II at the Battle of the Boyne, July 1, 1690, and the Battle of Augbrim, July 12, 1690.
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- ordinary seaman — a seaman insufficiently skilled to be classified as an able-bodied seaman. Abbreviation: O.D., O.S., o.s.
- organomagnesium — pertaining to or noting an organic compound, especially an organic halide, containing magnesium linked to carbon.
- 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-assessment — too much assessment
- over-compensate — to compensate or reward excessively; overpay: Some stockholders feel the executives are being overcompensated and that bonuses should be reduced.
- over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
- over-estimation — to estimate at too high a value, amount, rate, or the like: Don't overestimate the car's trade-in value.
- 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.
- overconsumption — the act of consuming, as by use, decay, or destruction.
- overemphasizing — Present participle of overemphasize.
- overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- passive smoking — the inhaling of cigarette, cigar, and pipe smoke of others, especially by a nonsmoker in an enclosed area.
- performing arts — dance, drama, music
- 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.
- peter of amiens — c1050–1115, French monk: preacher of the first Crusade 1095–99.
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- phenomenologies — the study of phenomena.
- phenomenologist — the study of phenomena.
- phloem necrosis — a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.
- phrasemongering — the act of coining memorable phrases
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- plumbaginaceous — belonging to the Plumbaginaceae, the leadwort family of plants.
- police marksman — a police officer skilled in precision shooting, esp with a sniper rifle
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- position isomer — any of two or more isomers that differ only in the position occupied by a substituent.