18-letter words containing t, o, m, e, n
- nocturnal emission — the release of semen during sleep, often during a sexual dream.
- nominative-address — a noun naming the person to whom one is speaking.
- non-denominational — of or relating to a denomination or denominations.
- non-discriminative — constituting a particular quality, trait, or difference; characteristic; notable.
- non-fundamentalist — (sometimes initial capital letter) a religious movement characterized by a strict belief in the literal interpretation of religious texts, especially within American Protestantism and Islam.
- non-impact printer — a printer that creates images without mechanically impacting the page, as an ink-jet or laser printer.
- non-inertial frame — a frame of reference that moves with the object, so that the moving object appears to violate Newton's laws of motion since it accelerates despite having no horizontal forces on it.
- noninterventionism — A policy of non-intervention.
- nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
- nonstriated muscle — smooth muscle
- nonvolatile memory — computer memory that can retain stored information even when not powered, for example read-only memory
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- northern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- numerical taxonomy — classification of organisms by a comparison of large numbers of observable characteristics that are given equal value instead of being weighted according to possible evolutionary significance.
- offensive material — any published or broadcast content (such as articles, photographs, films, or websites) that is likely to be upsetting, insulting, or objectionable to some or most people
- oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
- old man of the sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
- once in a lifetime — extremely rarely
- operations manager — business director
- order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
- oriental almandine — a variety of corundum resembling almandine in colour and used as a gemstone
- osteitis deformans — Paget's disease.
- osteogenic sarcoma — osteosarcoma
- over the long term — in the future
- overnight telegram — a type of domestic telegram sent at a reduced rate with a minimum charge for 10 words or less and accepted until midnight for delivery the following day.
- overtime work(ing) — work at a regular job done in addition to regular working hours
- parallel computing — parallel processing
- parallel importing — the importing of certain goods, esp pharmaceutical drugs, by dealers who undersell local manufacturers
- pathname separator — (file system) The character used to separate elements of a path or pathname. Under Unix and POSIX.1 compliant systems the pathname separator is the (forward) slash, in MS-DOS backslash serves the same purpose. For obvious reasons the no directory or file name can contain this character.
- peppermint camphor — menthol.
- performance artist — an artist that is involved in a theatrical presentation that incorporates various art forms, such as dance, sculpture, music, etc
- personal exemption — Your personal exemption is the amount of money that is deducted from your gross income before you have to start paying income tax.
- petroleum engineer — A petroleum engineer is an engineer who is involved in most stages of oil and gas field evaluation, development, and production, whose job is to maximize hydrocarbon recovery and reduce costs and environmental impact.
- photodecomposition — the breaking down of molecules by radiant energy.
- photoisomerization — isomerization induced by light.
- photomorphogenesis — plant development that is controlled by light.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- plane trigonometry — the branch of trigonometry dealing with plane triangles.
- play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
- plenum ventilation — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.
- pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
- policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
- politically-minded — (of a person or group of people) interested in the way power is achieved and used in a country or society (through government, policy-making, etc)
- pollen mother cell — one of the mother cells that produce four microspores by meiosis.
- polystyrene cement — a purpose-made adhesive for fixing rigid polystyrene
- portable equipment — Portable equipment is electrical equipment that can easily be moved from one place to another while in operation or while connected to the supply.
- post-impressionism — a varied development of Impressionism by a group of painters chiefly between 1880 and 1900 stressing formal structure, as with Cézanne and Seurat, or the expressive possibilities of form and color, as with Van Gogh and Gauguin.
- postmaster general — the executive head of the postal system of a country.
- postmillenarianism — postmillennialism.
- postviral syndrome — debilitating condition occurring as a sequel to viral illness