| invalid |
disabled person (Person lacking one or more physical power, such as the ability to walk or to coordinate one's movements, as from the effects of a disease or accident, or through mental impairment) |
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| inventering |
inventory (A detailed list of articles, goods, property, etc.) |
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| inversjon |
inversion (A reversal in the usual direction of a process, as in the change of density of water at 4° C) |
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| inversjonslag |
inversion layer (The atmosphere layer through which an inversion occurs) |
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| investering |
investment (Any item of value purchased for profitable return, as income, interest or capital appreciation) |
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| investering i forurensningsbekjemping |
pollution control investment (Securities held for the production of income in the form of interest and dividends with the aim of controlling or reducing pollution or substances in the environment deemed harmful to human health and natural resources) |
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| ion |
ion (An electrically charged atom or group of atoms formed by the loss or gain of one or more electrons) |
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| ionebytte |
ion exchange (The process in which ions are exchanged between a solution and an insoluble solid, usually a resin) |
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| ionebytter |
ion exchanger (A permanent insoluble material (usually a synthetic resin) which contains ions that will exchange reversibly with other ions in a surrounding solution. Both cation and anion exchangers are used in water conditioning. The volume of an ion exchanger is measured in cubic liters of exchanger after the exchanger bed has been backwashed and drained, and has settled into place) |
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| ioniserende stråling |
ionising radiation (Radiation that is capable of energizing atoms sufficiently to remove electrons from them. In this state atoms become more reactive, so that ionizing radiation increases chemical activity and in this way produces biological effects, including effects that involve alterations induced in DNA. X-rays and gamma-rays are the only electromagnetic waves that cause ionization in biological material) |
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| ionosfære |
ionosphere (A region of the earth's atmosphere, extending from about 60 to 1000 kilometers above the earth's surface, in which there is a high concentration of free electrons formed as a result of ionizing radiation entering the atmosphere from space) |
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| irreversibilitet |
irreversibility of the phenomenon (That quality of a process that precludes a prior state from being attained again) |
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| is |
ice (The dense substance formed by the freezing of water to the solid state; it commonly occurs in the form of hexagonal crystals) |
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| isfjell |
iceberg (A large mass of detached land ice floating in the sea or stranded in shallow water) |
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| ISO-standard |
ISO standard (standard of International Standard Organisation; Documented agreements containing technical specifications or other precise criteria to be used consistently as rules, guidelines, or definitions of characteristics, to ensure that materials, products, processes and services are fit for their purpose) |
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| isolasjon |
insulation (The process of preventing or reducing the transmission of electricity, heat, or sound to or from a body, device, or region by surrounding it with a nonconducting material; process) |
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| isolasjonsmateriale |
sound insulation material (Material used to reduce the transmission of sound to or from a body, device, room, etc.) |
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| isolasjonsmateriale |
insulating material (Material that prevents or reduces the transmission of electricity, heat, or sound to or from a body, device or region) |
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| isomer |
isomer (1. Two or more compounds having the same molecular formula, but a different arrangement of atoms within the molecule. 2. One of two or more chemical substances having the same elementary percentage composition and molecular weight but differing in structure, and therefore in properties; there are many ways in which such structural differences occur) |
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| isotop |
isotope (One or two or more atoms with the same atomic number that contain different numbers of neutrons) |
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