21-letter words containing r, i, n, g, m
- fragmentation grenade — a grenade with a heavy metal casing that shatters, on exploding, into fragments that travel at high speed and with great force.
- framing specification — A specification of the "protocol bits" that surround the "data bits" on a communications channel to allow the data to be "framed" into chunks, like start and stop bits in EIA-232. It allows a receiver to synchronize at points along the data stream.
- franco-belgian system — French system.
- fuming sulphuric acid — a mixture of pyrosulphuric acid, H2S2O7, and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid
- gastrohepatic omentum — lesser omentum.
- geiger-muller counter — an instrument for detecting ionizing radiations, consisting of a gas-filled tube in which electric-current pulses are produced when the gas is ionized by radiation, and of a device to register these pulses: used chiefly to measure radioactivity.
- gender disappointment — a feeling of depression or anxiety experienced by an expectant parent when the gender of the baby does not match his or her preference
- general court-martial — a court-martial having the authority to try any offense against military law and to impose a sentence of dishonorable discharge or of death when provided by law.
- general of the armies — a special rank held by John J. Pershing, equivalent to general of the army.
- geometric progression — a sequence of terms in which the ratio between any two successive terms is the same, as the progression 1, 3, 9, 27, 81 or 144, 12, 1, 1/12, 1/144.
- get in someone's hair — any of the numerous fine, usually cylindrical, keratinous filaments growing from the skin of humans and animals; a pilus.
- give someone the bird — to tell someone rudely to depart; scoff at; hiss
- glen of imaal terrier — a strongly-built medium-sized variety of terrier with a medium-length coat and short forelegs
- government in waiting — a political group which is hoping to be elected to govern in the near future
- government securities — securities issued by the US Government
- grammatical inference — Deducing a grammar from given examples. Also known as "inductive inference" and recently as "computational learning".
- great smoky mountains — the W part of the Appalachians, in W North Carolina and E Tennessee. Highest peak: Clingman's Dome, 2024 m (6642 ft)
- gretna green marriage — marriage without parental consent; elopement.
- ground-effect machine — ACV (def 2).
- highest common factor — greatest common divisor. Abbreviation: H.C.F.
- human rights activist — a person who campaigns for human rights
- ibm customer engineer — (job) (CE) A hardware guy from IBM.
- in good circumstances — (of a person) in a good financial situation
- information gathering — the process of collecting information about something
- inner spring mattress — a mattress with a system of wire coils or springs inside for buoyancy or comfort purposes
- instrumental learning — a method of training in which the reinforcement is made contingent on the occurrence of the response
- kicking and screaming — If you say that someone is dragged kicking and screaming into a particular course of action, you are emphasizing that they are very unwilling to do what they are being made to do.
- lateral magnification — the ratio of the height of the image to the height of the object in a lens or other optical system.
- long-term liabilities — Long-term liabilities are debts that a company does not have to pay back for a year or more.
- madagascar aquamarine — a form of blue beryl from Madagascar, used as a gemstone
- madagascar periwinkle — a plant, Catharanthus roseus (or Vinca rosea), cultivated for its glossy foliage and pink or white flowers.
- magnesium trisilicate — a white, fine, odorless and tasteless powder, Mg 2 O 8 Si 3 ⋅nH 2 O, used industrially to absorb odors and decolorize and pharmaceutically as an antacid.
- magnetic permeability — permeability (def 2).
- magneto-optical drive — magneto-optical disk
- magnetocaloric effect — an increase or decrease of the temperature of a thermally isolated magnetic substance accompanying an increase or decrease in the intensity of a magnetic field.
- magnificent riflebird — a bird of paradise, Craspedophora magnifica
- majority shareholding — a holding of more than half a company's shares
- make one's gorge rise — a narrow cleft with steep, rocky walls, especially one through which a stream runs.
- manufacturing company — a company that manufactures goods
- manufacturing process — chain of production
- mariage de convenance — marriage entered into for a personal or family advantage, as for social, political, or economic reasons, usually without love and sometimes without the expectation of sexual relations.
- marketing arrangement — an agreement between a seller and a buyer or between sellers about some aspect of the sale of products
- mechanical metallurgy — the branch of metallurgy dealing with the response of metals to applied forces.
- mechanical weathering — any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock: Collision between rock surfaces can cause mechanical weathering.
- member of the wedding — a novel (1946) and play (1950) by Carson McCullers.
- mengistu haile mariam — born 1937, Ethiopian political leader: head of state 1977–87; president 1987–91.
- meter-kilogram-second — of or relating to the system of units in which the meter, kilogram, and second are the principal units of length, mass, and time. Abbreviation: mks, MKS.
- miniature photography — photography with a camera using film that is 35 millimeters wide or less.
- motoring organization — an organization concerning cars and other vehicles, providing insurance, assistance in case of a breakdown, etc
- multi-level marketing — Multi-level marketing is a marketing technique which involves people buying a product, then earning a commission by selling it to their friends. The abbreviation MLM is also used.