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| Terms for subject Environment (5878 entries) |
| 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 | |
| laboratory experiment (Tests or investigations carried out in a laboratory) | تجربة معملية | |
| 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 | |
| laboratory technique (No definition needed) | تقنية معملية | |
| laboratory test (Tests, examinations or evaluations performed in a laboratory) | اختبار معملي | |
| laboratory waste (Discarded materials produced by analytical and research activities in a laboratory) | مخلفات المعامل | |
| 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 | |
| labour force | قوة العمل | |
| 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 | |
| labour market | سوق العمل | |
| 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 | |
| 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 | |
| lagoon (A body of water cut off from the open sea by coral reefs or sand bars) | بحيرة | |
| lagoon system | نظام بركة المعالجة | |
| 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 | |
| lake (An enclosed body of water, usually but not necessarily fresh water, from which the sea is excluded) | بحيرة | |
| lake basin (1. The depression in the Earth's surface occupied or formerly occupied by a lake and containing its shore features. 2. The area from which a lake receives drainage) | حوض البحيرة | |
| lake pollution (The direct or indirect human alteration of the biological, physical, chemical or radiological integrity of lake water, or a lake ecosystem) | تلوث البحيرة | |
| lamp (A device that produces light, such as an electric lamp) | لمضة - مصباح | |
| land (A specified geographical tract of the Earth's surface including all its attributes, comprising its geology, superficial deposits, topography, hydrology, soils, flora and fauna, together with the results of past and present human activity, to the extent that these attributes exert a significant influence on the present and future land utilization) | أرض |