22-letter words containing d, o, r, i
- diachronic linguistics — historical linguistics.
- dicyclopentadienyliron — ferrocene (def 1).
- digital control system — (systems) (DCS) A digital computer used for real-time control of a dynamic system, usually in an industrial environment, possibly as part of a Supervisory Control and Data Acquisition (SCADA) system. A DCS samples feedback from the system under control and modifies the control signals in an attempt to achieve some desired behaviour. Analysis of such digital-analogue feedback systems can involve mathematical methods such as difference equations, Laplace transforms, z transfer functions, state space models and state transition matrices.
- digital radio mondiale — (communications) (DRM) A form of monaural digital broadcast using carrier frequencies below 30 MHz. DRM uses MPEG-4 AAC Main Profile and SBR at data rates of 16-25 kbps.
- digital video recorder — See DVR.
- dihydroxyphenylalanine — dopa.
- dilation and curettage — a surgical method for the removal of diseased tissue or an early embryo from the lining of the uterus by means of scraping.
- direct public offering — A direct public offering is stock offered directly for sale to investors by a company without the use of underwriters or brokers.
- directional derivative — the limit, as a function of several variables moving along a given line from one specified point to another on the line, of the difference in the functional values at the two points divided by the distance between the points.
- directional microphone — a microphone that has a greater sensitivity to sounds coming from a particular area in front of it: used to eliminate unwanted sounds.
- director of admissions — a member of a university staff who is in overall charge of admissions to the university and its courses
- directory system agent — (DSA) The software that provides the X.500 Directory Service for a portion of the directory information base. Generally, each DSA is responsible for the directory information for a single organisation or organisational unit.
- disciplinary committee — a committee charged with examining alleged breaches of discipline within an organization, profession, etc and adjudicating on them
- dishonorable discharge — the discharge of a person from military service for an offense more serious than one for which a bad-conduct discharge is given.
- disposable soma theory — the theory that ageing is caused by the body having increasingly fewer resources to allocate towards repairing wear and damage to tissues
- distributed generation — A distributed generation system involves a person or company generating some of their power requirements in different ways, such as locally, or using renewable energy, in order to avoid taking it all from the grid.
- distributed processing — a system consisting of a network of microcomputers performing certain functions and linked with a main computer used for more complex tasks
- distributive education — a special program of vocational education at the high-school level in which a student is employed part-time, receiving on-the-job training, and also attends classes, most of which pertain directly to the student's vocational field.
- dog's dinner/breakfast — You describe something as a dog's breakfast or dog's dinner in order to express your disapproval of it, for example because it is very untidy, badly organized, or badly done.
- dominant seventh chord — a chord consisting of the dominant and the major third, perfect fifth, and minor seventh above it. Its most natural resolution is to a chord on the tonic
- don't mind him/her etc — You use don't mind in expressions such as don't mind him or don't mind them to apologize for someone else's behaviour when you think it might have offended the person you are speaking to.
- don't misunderstand me — You can say don't misunderstand me when you want to correct a wrong impression that you think someone may have got about what you are saying.
- drive-through delivery — childbirth after which the mother has a very brief hospital stay.
- drumhead court-martial — a court-martial held, usually on a battlefield, for the summary trial of charges of offenses committed during military operations.
- earn one's daily bread — to earn one's living
- earth inductor compass — a compass actuated by induction from the earth's magnetic field.
- emergency road service — a form of motoring insurance that sends assistance to drivers when their vehicles break down on a journey; it is provided either by the national or regional automobile association or by a private insurance company
- end transmission block — (character) (ETB) The mnemonic for ASCII character 23.
- endotrophic mycorrhiza — the most widespread and common type of mycorrhiza, in which the fungus lives within the cells of the roots of the plant
- experimental condition — one of the distinct states of affairs or values of the independent variable for which the dependent variable is measured in order to carry out statistical tests or calculations
- far-infrared radiation — the longer wavelengths of electromagnetic radiation in the infrared region of the spectrum, beyond the red end of the visible spectrum, from 50 to 1000 micrometers. Abbreviation: FIR.
- federal crop insurance — insurance against the failure of certain crops provided to farmers and producers by the Federal Government
- federal district court — district court (def 2).
- federal maritime board — the body responsible for regulating commerce by US and international shipping in US waters
- ferdinand von zeppelin — Count Ferdinand von [fer-di-nahnt fuh n] /ˈfɛr dɪˌnɑnt fən/ (Show IPA), 1838–1917, German general and aeronaut: designer and manufacturer of the zeppelin.
- fitzgerald contraction — the hypothesis that a moving body exhibits a contraction in the direction of motion when its velocity is close to the speed of light.
- fixed point combinator — (mathematics) (Y) The name used in combinatory logic for the fixed point function, also written as "fix".
- forced place insurance — Forced place insurance is insurance taken out by a bank or creditor on an uninsured debtor's behalf on a property that is being used as collateral.
- forth modification lab — (event) (FORML) A Forth conference held every November on the West coast of the USA ().
- frequency distribution — the correspondence of a set of frequencies with the set of categories, intervals, or values into which a population is classified.
- fringed with something — having a specified thing around the edge
- gallamine triethiodide — a neuromuscular blocking drug, C 30 H 60 I 3 N 3 O 3 , similar to curare, used as a skeletal muscle relaxant in conjunction with surgical anesthesia.
- generalized coordinate — Usually, generalized coordinates. one of a minimum set of coordinates needed to specify the state or position of a given system.
- genitourinary medicine — the branch of medical science concerned with the study and treatment of diseases of the genital and urinary organs, esp sexually transmitted diseases
- geographic determinism — a doctrine that regards geographical conditions as the determining or molding agency of group life.
- geometric distribution — the distribution of the number, x, of independent trials required to obtain a first success: where the probability in each is p, the probability that x = r is p(1-p)r–1, where r = 1, 2, 3, …, with mean 1/p
- get (or have) wind of — to get (or have) information or a hint concerning; hear (or know) of
- get a word in edgeways — to succeed in interrupting a conversation in which someone else is talking incessantly
- get a word in edgewise — with the edge forward; in the direction of the edge.
- gloria in excelsis deo — the hymn beginning, in Latin, Gloria in Excelsis Deo, “Glory in the highest to God,” and in the English version, “Glory be to God on high.”.