Englishfor English speakers
accessibility
Noun
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Accessibility is the property of being accessible.
The accessibility of the city depends on how well it is linked by roads.
indicator
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noun
(= index)
a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
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noun
a signal for attracting attention
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noun
a device for showing the operating condition of some system
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noun
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction