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| Terms for subject Environment (6310 entries) |
| olbaltums | protein (Any of a class of high-molecular weight polymer compounds composed of a variety of alfa-amino acids joined by peptide linkages) | |
| olfaktometrija | olfactometry (The testing and measurement of the sensitivity of the sense of smell) | |
| olīveļļas fabrikas notekūdeņi | olive oil mill wastewater (Aqueous residue deriving from the process of oil extraction from olives; it is composed of the olive-combined water and of the water used in the extraction and washing processes. It also contains a certain percentage of mineral compounds and of organic substances that are only partially biodegradable) | |
| onhocerikoze | onchocerciasis (Infection with the filaria Onchocerca volvulus; results in skin tumours, papular dermatitis, and ocular complications) | |
| onkoloģija | oncology (The study of the causes, development, characteristics, and treatment of tumors) | |
| ontoģenēze | ontogenesis (The entire sequence of events involved in the development of an individual organism) | |
| organiskā hlora savienojums | organochlorine compound (Organic compounds containing a C-Cl bond) | |
| organiskā ķīmija | organic chemistry (A branch of chemistry dealing with the study of composition, reaction, properties, etc. of organic compounds) | |
| organiskā skābekļa savienojums | organooxygen compound (Compounds, both aliphatic and aromatic, which have a C-O bond, including alcohols, aldehydes, etc.) | |
| organiskā slāpekļa savienojums | organonitrogen compound (Organic compounds having a C-N bond) | |
| organiska viela | organic matter (Plant and animal residue that decomposes and becomes a part of the soil) | |
| organiska viela | organic substance (Chemical compounds, based on carbon chains or rings and also containing hydrogen with or without oxygen, nitrogen, or other elements) | |
| organiskais ogleklis | organic carbon (Carbon which comes from an animal or plant) | |
| organiskais piesārņojums | organic pollution (Pollution caused by animal or plant material derived from living and dead organisms that may contain pathogenic bacteria and negatively influences the environment) | |
| organiskais piesārņotājs | organic pollutant (A plant- or animal-produced pollutant containing mainly carbon, hydrogen and oxygen) | |
| organiskais šķīdinātājs | organic solvent (Organic materials, including diluents and thinners, which are liquids at standard conditions and which are used as dissolvers, viscosity reducers, or cleaning agents) | |
| organiskais slāpeklis | organic nitrogen (Essential nutrient of the food supply of plants and the diets of animals. Animals obtain it in nitrogen-containing compounds, particularly aminoacids. Although the atmosphere is nearly 80% gaseous nitrogen, very few organisms have the ability to use it in this form. The higher plants normally obtain it from the soil after microorganisms have converted the nitrogen into ammonia or nitrates, which they can then absorb. This conversion of nitrogen, known as nitrogen fixation, is essential for the formation of amino acids which, in turn, are the building blocks of proteins) | |
| organiski atkritumi | organic waste | |
| organiskie atkritumi | organic waste (Waste containing carbon compounds; derived from animal and plant materials) | |
| organisko halogēnu savienojums | organohalogen compound (Organic compounds containing a C-halogen bond) |