16-letter words containing um
- non-accumulative — tending to accumulate or arising from accumulation; cumulative.
- non-consummation — the act of consummating; completion.
- non-illumination — an act or instance of illuminating.
- non-instrumental — serving or acting as an instrument or means; useful; helpful.
- nuclear umbrella — a guarantee from a country or state that possesses nuclear weapons to a country that does not that they will defend them
- number crunching — a person or thing that performs a great many numerical calculations, as a financial analyst, statistician, computer, or computer program.
- number-crunching — a person or thing that performs a great many numerical calculations, as a financial analyst, statistician, computer, or computer program.
- numbered account — a bank account whose owner is identified by a number for the purpose of preserving anonymity.
- of human bondage — a novel (1915) by W. Somerset Maugham.
- osmium tetroxide — a crystalline or amorphous, colorless, poisonous compound, OsO 4 , soluble in water, alcohol, and ether: used for microscopic staining, in photography, and as a catalyst in organic synthesis.
- over-consumption — the act of consuming, as by use, decay, or destruction.
- overaccumulation — Accumulation of too much.
- overnumerousness — very many; being or existing in great quantity: numerous visits; numerous fish.
- oxidation number — the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.
- oxonium compound — a salt formed by the reaction of an acid with an organic compound containing a basic oxygen atom.
- oxycalcium light — calcium light.
- paint-by-numbers — formulaic; showing no original thought or creativity
- painted trillium — a North American trillium, Trillium undulatum, having white flowers streaked with pink or purple.
- pentothal sodium — thiopental sodium
- photograph album — bound book for photos
- photoluminescent — luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.
- platinum-iridium — (standard) A standard, against which all others of the same category are measured. Usage: silly. The notion is that one of whatever it is has actually been cast in platinum-iridium alloy and placed in the vault beside the Standard Kilogram at the International Bureau of Weights and Measures near Paris, as the bar defining the standard metre once was. "This garbage collection algorithm has been tested against the platinum-iridium cons cell in Paris." Compare golden.
- plumber's helper — plunger (def 3).
- pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
- pneumonic plague — a form of plague characterized by lung involvement.
- pneumonoconiosis — pneumoconiosis.
- political asylum — asylum provided by one nation to refugees, especially political refugees, from another nation.
- potassium iodide — a white, crystalline, water-soluble powder, KI, having a bitter saline taste: used chiefly in the manufacture of photographic emulsions, as a laboratory reagent, in the preparation of Gram's solution for biological staining, and in medicine as an expectorant and to treat thyroid conditions.
- presumptive heir — heir presumptive.
- presumptuousness — 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.
- primary consumer — (in the food chain) an animal that feeds on plants; a herbivore.
- pullorum disease — a highly contagious, frequently fatal disease of young poultry caused by the bacterium Salmonella gallinarum (pullorum), transmitted by the infected hen during egg production, and characterized by weakness, loss of appetite, and diarrhea.
- quantum computer — a computer that makes use of the quantum states of electrons or other particles to store and process information as quantum bits.
- quantum sufficit — as much as suffices; enough.
- radium emanation — (formerly) radon.
- reference number — a unique number on an order, application, etc, used to designate and quickly locate that order, application, etc
- relative maximum — maximum (def 4a).
- relative minimum — minimum (def 5a).
- relative-maximum — maximum (def 4a).
- research quantum — the standard by which the contribution to a university of individual academics is measured and on the basis of which universities receive government funding and academics are promoted
- rough and tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
- rough-and-tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
- rumour-mongering — the act of spreading rumours
- schaumburg-lippe — a former state in NW Germany.
- secular humanism — any set of beliefs that promotes human values without specific allusion to religious doctrines.
- self-consumption — the act of consuming, as by use, decay, or destruction.
- self-humiliation — an act or instance of humiliating or being humiliated.
- sendero luminoso — Spanish. a Maoist guerrilla movement active in Peru since 1980.
- sodium bisulfate — a colorless crystalline compound, NaHSO 4 , soluble in water: used in dyeing, in the manufacture of cement, paper, soap, and an acid-type cleaner.
- sodium bisulfite — Sodium bisulfite is a crystalline compound used as an antioxidant and stabilizing agent.