14-letter words containing um
- nondocumentary — a film or television programme not reflecting real life
- nonequilibrium — The condition of not being in equilibrium.
- northumberland — a county in NE England. 1943 sq. mi. (5030 sq. km).
- numa pompilius — died 673? b.c, 2nd legendary Sabine king of Rome 715–673?
- numeral system — any notation for the representation of numerals or numbers.
- numeric keypad — a separate section on some computer keyboards, grouping together numeric keys and those for mathematical or other special functions in an arrangement like that of a calculator.
- numidian crane — the demoiselle crane
- numismatically — Of or relating to coins or currency.
- odontoglossums — Plural form of odontoglossum.
- offer document — a document sent by a person or firm making a takeover bid to the shareholders of the target company, giving details of the offer that has been made and, usually, reasons for accepting it
- omnibus volume — a collection of works by one author or several works on a similar topic, reprinted in one volume
- onium compound — type of chemical salt
- opossum shrimp — any small, shrimplike crustacean of the order Mysidacea, the females of which carry their eggs in a pouch between the legs.
- ordinal number — 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).
- ordnance datum — mean sea level calculated from observation taken at Newlyn, Cornwall, and used as the official basis for height calculation on British maps
- over-consuming — to destroy or expend by use; use up.
- parachute jump — leaping from aircraft with a parachute
- partial vacuum — an enclosed space from which part of the air or another gas has been removed.
- pendulum watch — (formerly) a watch having a balance wheel, especially a balance wheel bearing a fake pendulum bob oscillating behind a window in the dial.
- perfect number — a positive number that is equal to the sum of all positive integers that are submultiples of it, as 6, which is equal to the sum of 1, 2, and 3.
- period costume — the attire typical of a particular period in time
- photoluminesce — to produce photoluminescence
- platinum black — a black powder consisting of very finely divided metallic platinum, used as a catalyst, especially in organic synthesis.
- platinum metal — any of the group of precious metallic elements consisting of ruthenium, rhodium, palladium, osmium, iridium, and platinum
- platinum-blond — (of hair) of a pale silver-blond colour
- plenum-chamber — 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.
- plumber's mate — a person who helps a plumber do his or her job
- plumbosolvency — the ability to dissolve lead
- plumbous oxide — litharge.
- pneumatic duct — the duct joining the air bladder and alimentary canal of a physostomous fish.
- pneumatic pile — a hollow pile, used under water, in which a vacuum is induced so that air and water pressure force it into place.
- pneumatic tire — wheel cover filled with pressurized air
- pneumatic tyre — a rubber tyre filled with air under pressure, used esp on motor vehicles
- pneumobacillus — a bacterium, Klebsiella pneumoniae, causing a type of pneumonia and associated with certain other diseases, especially of the respiratory tract.
- pneumoconiosis — any chronic lung disease, including anthracosis, asbestosis, and silicosis, caused by the inhalation of particles of coal, asbestos, silica, or similar substances and leading to fibrosis and loss of lung function.
- pneumoconiotic — a person who suffers from pneumoconiosis
- pneumodynamics — Physics. pneumatics.
- pneumonologist — an expert or specialist in the respiratory system
- pneumothoraces — the presence of air or gas in the pleural cavity.
- posthumousness — the fact of being posthumous
- potassium alum — alum1 (def 1).
- potassium-alum — Also called potash alum, potassium alum. a crystalline solid, aluminum potassium sulfate, K 2 SO 4 ⋅Al 2 (SO 4) 3 ⋅24H 2 O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes.
- prandtl number — the ratio of the fluid viscosity to the thermal conductivity of a substance, a low number indicating high convection.
- pre-assumption — something taken for granted; a supposition: a correct assumption. Synonyms: presupposition; hypothesis, conjecture, guess, postulate, theory.
- premium income — An insurer's premium income is the income that it earns from premiums.
- presumptuously — full of, characterized by, or showing presumption or readiness to presume in conduct or thought, as by saying or doing something without right or permission.
- prime the pump — an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes.
- progametangium — Mycology. the hyphal tip of certain fungi that produces the gametangium and subsequent gamete.
- pumice country — volcanic farmland in the North Island
- pump attendant — a person who works in a garage or petrol station and who fills customers' cars with petrol