
Description of halogen (noun: plural: halogens) the elements fluorine, iodine, chlorine, bromine
Samples of halogen Halogens belong to group V11 in the periodic table.
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Description of filtration (noun: plural: filtrations) process where an insoluble solid is separated from a liquid
Samples of filtration Filtration is often carried out using a filter funnel and filter paper.
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Description of peritoneum (noun: plural: peritoneums) membrane lining the inside of the abdominal cavity
Samples of peritoneum The peritoneum holds the abdominal organs.
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Description of uranium (noun: plural: uraniums) actinide with the chemical symbol U
Samples of uranium Uranium can undergo nuclear fission.
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Description of basal metabolic rate (noun: no plural) the amount of energy expended by the body in order to survive at complete rest
Samples of basal metabolic rate Starvation slows the basal metabolic rate. Your basal metabolic rate (i.e. when you are resting) has an influence on how much energy you expend when you are doing anything that doesn't involve very much physical activity.
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Description of progestogen (noun: plural: progestogens) any steroid hormone with an action similar to female sex hormone
Samples of progestogen Artificial progestogens are used in the contraceptive pill.
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Description of IVI (abbreviation: intravenous infusion) a series of fluids or drugs that are run into a vein over a set amount of time
Samples of IVI Intravenous Infusion (IVIs) are commonly used in hospitals to rehydrate patients.
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Description of adenoids (noun: no plural) lymphoid tissue at the back of the throat
Samples of adenoids If the adenoids become swollen due to infection they may inhibit breathing.
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Description of gamete (noun: plural: gametes) sex cell
Samples of gamete The female gamete is called an ovum.
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Description of nitrogen (noun: no plural) chemical element with the symbol N that is found in proteins and nucleic acids
Samples of nitrogen Nitrogen is a gas at room temperature. Air pollution in Britain's major cities reached the highest levels since records began in 1976 during a spell of cold and still weather in mid-December which prevented the usual dispersal of pollutants such as nitrogen dioxide from traffic fumes and sulphur dioxide from power stations.
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