
Explanation of vitamin E (noun) form: no plural tocopherol
Sample of vitamin E Vitamin E is fat soluble.
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Explanation of elderly (adjective) forms: elderly; more elderly; most elderly; less elderly; least elderly senior; older; aged
Sample of elderly Accidents cause injury and suffering to hundreds of people every year, and those moving about on foot or bicycle, elderly and infirm people, and children are most at risk.
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Explanation of carcinogen (noun) form plural: carcinogens a substance that causes cancer
Sample of carcinogen Tobacco smoke is a known carcinogen.
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Explanation of prostaglandin (noun) form plural: prostaglandins potent hormone-like substance found in many bodily tissues (and especially in semen)
Sample of prostaglandin Prostaglandins (PGs) are local hormones and PGs such as prostaglandin E2 (PGE2) and prostacyclin (PGI2) inhibit acid secretion and stimulate the secretion of mucus, and of bicarbonate.
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Explanation of feedback (noun) form: no plural process where the increase in a product of a reaction leads to a decrease in its rate of production and vice versa
Sample of feedback Feedback systems are important in the control of blood sugar by insulin.
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Explanation of radiograph (noun) form plural: radiographs an X-ray
Sample of radiograph A chest radiograph may be taken if there is a problem with the lungs.
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Explanation of magnetic pole (noun) form plural: magnetic poles either of the ends of an object that is able to attract iron or steel
Sample of magnetic pole A magnet has two magnetic poles - north and south.
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Explanation of retrovirus (noun) form plural: retroviruses a pathogenic agent containing RNA, which can convert to DNA inside a cell
Sample of retrovirus HIV is a retrovirus.
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Explanation of torque (noun) form: no plural moment of a force
Sample of torque Torque is the quantity causing rotation.
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Explanation of note (noun) form plural: notes hint; warning (especially in drug or medication descriptions)
Sample of note Among the many experiments carried out at Warwick, there is one of particular note: the discovery that skin can respond to odours -- even those we cannot smell.
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