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| Terms for subject Environment (6972 entries) |
| aids | AIDS (aquired immune deficiency syndrome; The acquired immunodeficiency syndrome is caused by HIV-virus manifested by opportunistic infections and/or malignancies, and the mortality rate is very high. The syndrome results from a breakdown of the body's disease-fighting mechanism that leaves it defenceless against infections, such as pulmonary tuberculosis, Pneumocystis pneumonia, certain blood infections, candidiasis, invasive cervical cancer, Kaposi's sarcoma or any of over 20 other indicator diseases. No effective treatment is available. A striking feature of AIDS is the wide spectrum and frequency of infections with life-threatening pathogens seldom seen in normal hosts. The illness may begin with insidious signs and symptoms, and the process may be more diffuse than when the same conditions are seen in other immune-compromised patients. Four patterns of disease occur in AIDS patients. The pulmonary pattern, the central nervous system pattern, the gastrointestinal pattern, and the pattern of fever of unknown origin. Most patientswho recover from a given opportunistic infection subsequently either have a relapse or develop a new type of infection. Many patients continue to have a wasting syndrome and experience such infections as oral thrush. Feelings of depression and isolation are common among AIDS patients and can be intensified if health care workers display fear of the syndrome) | |
| äike | thunderstorm (A storm caused by strong rising air currents and characterized by thunder and lightning and usually heavy rain or hail) | |
| aine olek | state of matter (One of the three fundamental conditions of matter: the solid, the liquid, and gaseous states) | |
| ainebilanss | balance of matter (A calculation to inventory material inputs versus outputs in a process system) | |
| ainesisaldus | concentration (In solutions, the mass, volume, or number of moles of solute present in proportion to the amount of solvent or total solution; value) | |
| ainete käitumine | behaviour of substances (Reactivity of a compound depending on the structure of the molecules) | |
| ainete registreerimine | recording of substances (No definition needed) | |
| ainevahetus | metabolism | |
| ainevahetussaadus | metabolite (A product of intermediary metabolism) | |
| ainuõõsne | coelenterate (Animals that have a single body cavity (the coelenteron). The name was formerly given to a phylum comprising the Cnidaria and Ctenophora, but these are now regarded as phyla in their own right, and the name Coelenterata has fallen from use, although it is sometimes used as a synonym for Cnidaria) | |
| ajabilanss | time budget (Determining or planning for allotment of time in hours, days, weeks, etc.) | |
| ajajaotus | time allocation (The act of assigning various hours of one's day, week or year to particular activities, especially those falling within the categories of work and leisure) | |
| ajakõver | progress line (A diagrammatic presentation of observed data in the sequence of their occurrence in time, in the context of water flow) | |
| ajalooline areng | historical monument (Monument built in memory of an historical event) | |
| ajalooline paik | historical site (Place where significant historical events occurred and which is important to an indigenous culture or a community) | |
| ajaloomälestis | historical evolution (The process by which small but cumulative changes in the learned, nonrandom, systematic behavior and knowledge of a people occur from generation to generation) | |
| ajaloouuring | historical research (The study of events in relation to their development over time) | |
| ajalugu | history (A systematic written account comprising a chronological record of events (as affecting a city, state, nation, institution, science, or art) and usually including a philosophical explanation of the cause and origin of such events) | |
| ajamitehnika | propulsion technique (Technique for causing a body to move by exerting a force against it) | |
| ajutine Durbani tõhustatud meetmete platvormi töörühm | Ad Hoc Working Group on the Durban Platform for Enhanced Action |