21-letter words containing c, a, i
- great victoria desert — a desert in SW central Australia. 125,000 sq. mi. (324,000 sq. km).
- green river ordinance — a local ordinance banning door-to-door selling.
- greenwich observatory — the national astronomical observatory of Great Britain, housed in a castle in E Sussex; formerly located at Greenwich.
- ground-effect machine — ACV (def 2).
- guaranteed scheduling — (algorithm) A scheduling algorithm used in multitasking operating systems that guarantees fairness by monitoring the amount of CPU time spent by each user and allocating resources accordingly.
- harriet beecher stowe — Harriet (Elizabeth) Beecher, 1811–96, U.S. abolitionist and novelist.
- have it coming to one — to deserve what one is about to suffer
- have the inside track — If you say that someone has the inside track, you mean that they have an advantage, for example special knowledge about something.
- hawaiian honeycreeper — any small to medium-sized finches of the subfamily Drepanidinae, native to the Hawaiian Islands and including many rare and extinct species.
- hazard warning device — an appliance fitted to a motor vehicle that operates the hazard lights
- heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
- hierarchical database — (database) A kind of database management system that links records together like a family tree such that each record type has only one owner, e.g. an order is owned by only one customer. Hierarchical structures were widely used in the first mainframe database management systems. However, due to their restrictions, they often cannot be used to relate structures that exist in the real world.
- highest common factor — greatest common divisor. Abbreviation: H.C.F.
- hindu-arabic numerals — Arabic numeral.
- historic places trust — (in New Zealand) the statutory body concerned with the conservation of historic buildings, esp with ancient Māori sites
- homogeneous catalysis — Homogeneous catalysis is catalysis in which the catalyst takes part in the reaction that it increases.
- host command facility — (operating system) (HCF) Used to access IBM S/36 and AS/400 computers from a mainframe.
- hubble classification — a method of classifying galaxies depending on whether they are elliptical, spiral, barred spiral, or irregular
- human rights activist — a person who campaigns for human rights
- humanistic psychology — an approach to psychology that emphasizes emotions and the better understanding of the self in terms of observation of oneself and one's relations with others
- hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
- hyperbolic paraboloid — a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are hyperbolas, with its sections parallel to the other two coordinate planes being parabolas.
- hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
- identical proposition — a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”.
- identification papers — documents that serve to establish someone's identity
- identification parade — a group of persons including one suspected of having committed a crime assembled for the purpose of discovering whether a witness can identify the suspect
- ilya ilyich mechnikov — Élie [French ey-lee] /French eɪˈli/ (Show IPA), (Ilya Ilyich Mechnikov) 1845–1916, Russian zoologist and bacteriologist in France: Nobel Prize in medicine 1908.
- immaculate conception — the dogma of the unique privilege by which the Virgin Mary was conceived in her mother's womb without the stain of original sin through the anticipated merits of Jesus Christ. Compare virgin birth (def 1).
- immediate constituent — one of the usually two largest constituents of a construction: The immediate constituents of He ate his dinner are he and ate his dinner; of ate his dinner are ate and his dinner; etc. Abbreviation: IC.
- immunohistochemically — By means of or in regard to immunohistochemistry.
- imprecise probability — (probability) A probability that is represented as an interval (as opposed to a single number) included in [0,1].
- in (or out of) place — in (or out of) the customary, proper, or assigned place
- in a class of its own — unequalled; unparalleled
- in bad/good/etc taste — If you say that something that is said or done is in bad taste or in poor taste, you mean that it is offensive, often because it concerns death or sex and is inappropriate for the situation. If you say that something is in good taste, you mean that it is not offensive and that it is appropriate for the situation.
- in co-ordination with — If you do something in co-ordination with someone else, you both organize your activities so that you work together efficiently.
- in good circumstances — (of a person) in a good financial situation
- in no uncertain terms — If you say that someone tells a person something in no uncertain terms, you are emphasizing that they say it strongly and clearly so that there is no doubt about what they mean.
- in saecula saeculorum — for ever and ever.
- in the first instance — You say in the first instance to mention something that is the first step in a series of actions.
- in-complete dominance — the appearance in a heterozygote of a trait that is intermediate between either of the trait's homozygous phenotypes.
- indicated horse-power — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
- induced radioactivity — artificial radioactivity.
- industrial misconduct — behaviour by an employee that is considered to be negligent or irregular to such an extent that disciplinary action may be taken, usually by agreement between management and the employee's representatives
- industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
- infant welfare clinic — a medical facility that specializes in the health and well-being of young babies
- infectious ectromelia — ectromelia (def 2).
- infiltration capacity — the maximum rate at which a soil in a given condition will absorb water.
- information appliance — (hardware) (IA) A consumer device that performs only a few targeted tasks and is controlled by a simple touch-screen interface or push buttons on the device's enclosure.
- information scientist — someone who works in information science
- insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.