13-letter words containing um
- inclinatorium — an instrument invented by Robert Norman in 1576, used to determine the degree to which a magnetic needle dips towards the earth; a dipping needle
- indian summer — a period of mild, dry weather, usually accompanied by a hazy atmosphere, occurring usually in late October or early November and following a period of colder weather.
- indirect jump — (programming) A jump via an indirect address, i.e. the jump instruction contains the address of a memory location that contains the address of the next instruction to execute. The location containing the address to jump to is sometimes called a vector. Indirect jumps make normal code hard to understand because the jump target is a run-time property of the program that depends on the execution history. They are useful for, e.g. allowing user code to replace operating system code or setting up event handlers.
- inner sanctum — sanctum (def 2).
- instrumentals — Plural form of instrumental.
- instrumenting — Present participle of instrument.
- integumentary — of, relating to, or like an integument.
- japanese plum — a small tree, Prunus salicina, native to China, bearing edible yellowish fruit.
- jumper cables — jump leads for starting a vehicle
- jumping genes — transposon.
- jumping mouse — any of several primitive, mouselike rodents of the family Zapodidae, having long hind legs, common in the woodlands of Europe, Asia, and North America.
- jus canonicum — canon law.
- kettledrummer — a drum consisting of a hollow hemisphere of brass, copper, or fiberglass over which is stretched a skin, the tension of which can be modified by hand screws or foot pedals to vary the pitch.
- kwame nkrumah — Kwame [kwah-mee] /ˈkwɑ mi/ (Show IPA), 1909–72, president of Ghana 1960–66.
- lake-urumiyeh — Lake. Urmia, Lake.
- lectisternium — (in ancient Rome) a religious rite in which the images of the gods were placed upon couches around a table, upon which was set a feast
- legume family — the large plant family Leguminosae (or Fabaceae), typified by herbaceous plants, shrubs, trees, and vines having usually compound leaves, clusters of irregular, keeled flowers, and fruit in the form of a pod splitting along both sides, and including beans, peas, acacia, alfalfa, clover, indigo, lentil, mesquite, mimosa, and peanut.
- lepton number — in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
- let us assume — You can use let us assume or let's assume when you are considering a possible situation or event, so that you can think about the consequences.
- lever tumbler — a flat metal tumbler in a lock.
- liebfraumilch — a white wine produced chiefly in the region of Hesse in Germany.
- light quantum — photon.
- line spectrum — an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules.
- lithium oxide — a white powder, Li 2 O, with strong alkaline properties: used in ceramics and glass.
- local maximum — maximum (def 4a).
- local minimum — minimum (def 5a).
- local-maximum — maximum (def 4a).
- lumbar plexus — a network of nerves originating in the spinal nerves of the midback region and innervating the pelvic area, the front of the legs, and part of the feet.
- lumber jacket — a short, straight, wool plaid jacket or coat, for informal wear, usually belted and having patch pockets.
- lumberjackets — Plural form of lumberjacket.
- luminous flux — the rate of transmission of luminous energy: expressed in lumens.
- lump of sugar — lump1 (def 4).
- lump together — If a number of different people or things are lumped together, they are considered as a group rather than separately.
- magnetic drum — a cylinder coated with magnetic material, on which data and programs can be stored.
- mare chronium — an area in the southern hemisphere of Mars, appearing as a dark region when viewed telescopically from the earth.
- mass spectrum — a spectrum of charged particles, arranged in order of mass or mass-to-charge ratios.
- medium bomber — a moderately large airplane capable of carrying large bomb loads for moderate distances at medium altitudes, especially one having a gross loaded weight of 100,000 to 250,000 pounds (45,000 to 113,000 kg).
- medium octavo — a size of book, about 6 × 9½ inches (15 × 24 cm), untrimmed. Abbreviation: medium 8vo.
- medium quarto — a size of book, about 9½ × 12 inches (24 × 30 cm), untrimmed. Abbreviation: medium 4to.
- medium-priced — having a price that is neither too high or too low
- metering pump — A metering pump is a device used to pump precise amounts of liquids over a period of time.
- midsummer day — the saint's day of St. John the Baptist, celebrated on June 24, being one of the four quarter days in England.
- midsummer eve — the evening preceding Midsummer Day: formerly believed to be a time when witches and other supernatural beings caused widespread mischief.
- minimum order — A minimum order is the smallest amount or number that may be ordered in one delivery, usually to spread delivery costs over an economical number of units.
- minimumweight — a boxer of the lightest competitive class, especially a boxer weighing up to 104 pounds (47.2 kg).
- misassumption — something taken for granted; a supposition: a correct assumption. Synonyms: presupposition; hypothesis, conjecture, guess, postulate, theory.
- mobile number — a set of figures identifying the mobile telephone of a particular subscriber, and used in making connections to that telephone
- mock pendulum — a false pendulum bob attached to the balances of certain timepieces and visible through a slot in the dial or case.
- monopotassium — (chemistry) monatomic potassium.
- monumentalise — Alt form monumentalize.