18-letter words containing m, a, n, o, t, h
- morphine addiction — the fact or condition of being addicted to morphine
- mount saint helens — a city in Merseyside, in NW England, near Liverpool.
- neo-pythagoreanism — a philosophical system, established in Alexandria and Rome in the second century b.c., consisting mainly of revived Pythagorean doctrines with elements of Platonism and Stoicism.
- neuroophthalmology — the branch of ophthalmology that deals with the optic nerve and other nervous system structures involved in vision.
- nightmare scenario — If you describe a situation or event as a nightmare scenario, you mean that it is the worst possible thing that could happen.
- nike of samothrace — a Greek marble statue (c200 b.c.) of Nike found at Samothrace and now in the Louvre, Paris.
- no laughing matter — sth serious
- northern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- 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.
- 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.
- 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.
- pathologic anatomy — the branch of pathology dealing with the morphologic changes in tissues.
- peppermint camphor — menthol.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- phantom withdrawal — the unauthorized removal of funds from a bank account using an automated teller machine
- philharmonic pitch — a standard of pitch in which A above middle C is established at 440 vibrations per second.
- photoisomerization — isomerization induced 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.
- policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
- pound the pavement — a paved road, highway, etc.
- processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- projection machine — an apparatus that projects motion pictures; projector.
- provision merchant — a person or company in the business of retailing food and other provisions
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- random walk theory — the theory that the future movement of share prices does not reflect past movements and therefore will not follow a discernible pattern
- reach for the moon — to desire or attempt something unattainable or difficult to obtain
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- roman architecture — buildings in style of ancient Rome
- runge-kutta method — a numerical method, involving successive approximations, used to solve differential equations.
- segmental phonemes — phonemes consisting of sound segments; hence, the vowel, consonant, and semivowel sounds of a language
- sodium thiocyanate — a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.
- something to spare — a surplus of something
- southampton island — an island in N Canada, in the Northwest Territories at the entrance to Hudson Bay. 19,100 sq. mi. (49,470 sq. km).
- southern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- stinking chamomile — mayweed.
- symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
- systematic phoneme — a phonological unit in generative phonology representing an underlying form that takes into account the relationship between phonological patterns and morphological variation, as the unit underlying the second vowel in both derive and derivative.
- take it on the lam — a hasty escape; flight.
- tan someone's hide — to convert (a hide) into leather, especially by soaking or steeping in a bath prepared from tanbark or synthetically.
- temporary hardness — hardness of water due to the presence of magnesium and calcium hydrogencarbonates, which can be precipitated as carbonates by boiling
- tetrachloromethane — carbon tetrachloride.
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the damage is done — If you say 'the damage is done', you mean that it is too late now to prevent the harmful effects of something that has already happened.
- the hand of fatima — a symbol of a hand used in some Arabic countries to protect against the evil eye, a magical power
- the magnolia state — a nickname referring to Mississippi
- the major rogation — April 25, observed by Christians as a day of solemn supplication for the harvest and marked by processions, special prayers, and blessing of the crops
- the mountain state — a nickname referring to West Virginia
- thermogalvanometer — a thermoammeter for measuring small currents, consisting of a thermocouple connected to a direct-current galvanometer.
- thermonuclear bomb — hydrogen bomb.