| karst (1. A German rendering of a Serbo-Croat term referring to the terrain created by limestone solution and characterized by a virtual absence of surface drainage, a series of surface hollows, depressions and fissures, collapse structures, and an extensive subterranean drainage network. 2. A type of topography that is formed on limestone, gypsum, and other rocks by dissolution, and that is characterized by sinkholes, caves, and underground drainage. Etymology: German, from the Yugoslavian territory Krs; type locality, a limestone plateau in the Dinaric Alps of northwestern Yugoslavia and northeastern Italy) |
كارست |
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| kerosene (A thin oil distilled from petroleum or shale oil, used as a fuel for heating and cooking, in lamps, and as a denaturant for alcohol) |
كيروسين |
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| keystone species |
أصناف أساسية |
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| keystone species |
أصناف أصيلة |
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| labelling (Attaching a notice to a product or container bearing information concerning its contents, proper use, manufacturer and any cautions or hazards of use) |
إلصاق بطاقة |
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| laboratory (A room or building with scientific equipment for doing scientific tests or for teaching science, or a place where chemicals or medicines are produced) |
معمل |
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| laboratory experiment (Tests or investigations carried out in a laboratory) |
تجربة معملية |
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| laboratory research (Research carried out in a laboratory for testing chemical substances, growing tissues in cultures, or performing microbiological, biochemical, hematological, microscopical, immunological, parasitological tests, etc.) |
بحث معملي |
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| laboratory technique (No definition needed) |
تقنية معملية |
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| laboratory test (Tests, examinations or evaluations performed in a laboratory) |
اختبار معملي |
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| laboratory waste (Discarded materials produced by analytical and research activities in a laboratory) |
مخلفات المعامل |
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| labour (One of the factors of production. It includes all the exertions - manual, physical or mental - by individuals, directed towards the production of wealth) |
عمل |
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| labour force |
قوة العمل |
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| labour law (The branch of the legal system which lays down the rules governing employment relationships, trade union relations, and state intervention to provide protection against particular situations of need for citizens who are workers) |
قانون العمل |
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| labour market |
سوق العمل |
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| labour relations (The dynamics or general state of the association between management and non-management employees in an enterprise, industry or nation, with special attention to the maintenance of agreements, collective bargaining and the status of unions) |
علاقات العمل |
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| lacquer (A material which contains a substantial quantity of a cellulose derivative, most commonly nitrocellulose but sometimes a cellulose ester, such as cellulose acetate or cellulose butyrate, or a cellulose ether such as ethyl cellulose; used to give a glossy finish, especially on brass and other bright metals) |
اللك |
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| lagoon (A body of water cut off from the open sea by coral reefs or sand bars) |
بحيرة |
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| lagoon system |
نظام بركة المعالجة |
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| lagooning (The process in which sunlight, bacterial action and oxygen cause self-purification in waste water, Usually taking place in a shallow pond, or system of such ponds) |
التطهير الذاتي للبحيرات الضحلة |
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