18-letter words containing a, l, h, o, t
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- monte carlo method — a technique for numerically approximating the solution of a mathematical problem by studying the distribution of some random variable, often generated by a computer.
- mount saint helens — a city in Merseyside, in NW England, near Liverpool.
- move the goalposts — to change the aims of an activity to ensure the desired results
- muscular dystrophy — a hereditary disease characterized by gradual wasting of the muscles with replacement by scar tissue and fat, sometimes also affecting the heart.
- nailed to the wall — [like a trophy] Said of a bug finally eliminated after protracted, and even heroic, effort.
- natural philosophy — natural science.
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- negative cash flow — the situation when income is less than payments
- neuroophthalmology — the branch of ophthalmology that deals with the optic nerve and other nervous system structures involved in vision.
- no laughing matter — sth serious
- noninterchangeable — That cannot be interchanged with another.
- north attleborough — a city in SE Massachusetts.
- north polar region — the region of land and water surrounding the North Pole.
- northern transvaal — province of South Africa, in the N part: 47,599 sq mi (123,280 sq km); pop. 5,202,000; cap. Pietersburg
- not a hope in hell — If you say that someone has not got a hope in hell of doing something, you are emphasizing that they will not be able to do it.
- not by a long shot — absolutely not
- not to have a clue — to be completely baffled
- oath of allegiance — pledge to one's nation
- octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
- offset lithography — offset (def 6).
- 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.
- on the danger list — critically ill in hospital
- one's heart bleeds — used to express sympathetic grief, but often used ironically
- ophthalmologically — In an ophthalmological manner.
- optical brightener — an additive that dyes and brightens fabric or paper
- oriental cockroach — a dark-brown cockroach, Blatta orientalis, thought to have originated in Asia but now nearly cosmopolitan in distribution.
- oriental shorthair — any of a breed of domestic cat, similar to the Siamese but with greenish eyes and often a coat of a solid color
- orthophthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
- 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.
- palaeoanthropology — the branch of anthropology concerned with primitive man
- parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
- pathologic anatomy — the branch of pathology dealing with the morphologic changes in tissues.
- peter and the wolf — a composition by Sergei Prokofiev written in 1936. It is a children's story with both music and text, spoken by a narrator accompanied by the orchestra
- phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
- 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.
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- physical inventory — To carry out a physical inventory is to count all the stock on hand.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- planned parenthood — an organization that gives out information on the planning of the number and spacing of the births of one's children, as through the use of birth-control measures
- policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
- polychromatophilic — having an affinity for more than one kind of stain, especially for acid, neutral, and basic stains, as polychromatophilic erythroblasts characteristic of pernicious anemia.
- positively charged — having a positive charge