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15-letter words containing l, e, o, m

  • nonmathematical — of, relating to, or of the nature of mathematics: mathematical truth.
  • nonmatriculated — not matriculated, not enrolled in an institution, esp a college or university
  • nonmelodramatic — Not melodramatic.
  • nonmetaphorical — not metaphorical; literal
  • nonmetropolitan — Not metropolitan.
  • nonsedimentable — incapable of being sedimented
  • nonsimultaneous — existing, occurring, or operating at the same time; concurrent: simultaneous movements; simultaneous translation.
  • normally-closed — Normally-closed switch contacts are in a closed state at rest.
  • oedipus complex — the unresolved desire of a child for sexual gratification through the parent of the opposite sex, especially the desire of a son for his mother. This involves, first, identification with and, later, hatred for the parent of the same sex, who is considered by the child as a rival.
  • old clothes man — a person who deals in second-hand clothes
  • old father time — time personified
  • old high german — High German before 1100. Abbreviation: OHG.
  • 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.
  • oligomerization — (chemistry) The formation of an oligomer from a monomer.
  • oliver cromwell — Oliver, 1599–1658, English general, Puritan statesman, and Lord Protector of England, Scotland, and Ireland 1653–58.
  • 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).
  • omnibenevolence — unlimited kindness and generosity
  • omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
  • on one's mettle — roused to putting forth one's best efforts
  • one-dimensional — having one dimension only.
  • 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 enrollment — open admissions.
  • ophthalmoplegia — Paralysis of the muscles within or surrounding the eye.
  • ophthalmoscopes — Plural form of ophthalmoscope.
  • orange milkweed — butterfly weed (def 1).
  • 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).
  • orestes complex — Psychoanalysis. an unconscious desire of a son to kill his mother.
  • organomercurial — an organic compound containing mercury
  • over-complexity — the state or quality of being complex; intricacy: the complexity of urban life.
  • over-compliance — the act of conforming, acquiescing, or yielding.
  • overdevelopment — Excessive development; the state or quality of being overdeveloped.
  • overdraft limit — a limit on the amount of money allowed to be withdrawn in excess of the credit balance of a bank or building society account
  • overemotionally — In an overemotional manner.
  • overfamiliarity — The state of being overfamiliar.
  • overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
  • palaeolimnology — the study of ancient lake ecologies
  • 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
  • paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
  • parallel motion — a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
  • paurometabolous — designating or of a group of insect orders, as orthopterans or hemipterans, in which metamorphosis to the adult state from the juvenile state is gradual and without any sudden, radical change of body form
  • payment holiday — a break taken from paying ( a debt etc) back
  • pectoral muscle — muscle of the chest
  • pellicle mirror — a fixed mirror in a single-lens reflex camera that reflects some of the light entering the lens to the ground-glass view screen while permitting most of the light to pass through to the film.
  • personal column — The personal column in a newspaper or magazine contains messages for individual people and advertisements of a private nature.
  • petroleum ether — a volatile mixture of the higher alkane hydrocarbons, obtained as a fraction of petroleum and used as a solvent
  • petroleum jelly — sticky substance used as lubricant
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