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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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indicator go
(chemistry) a substance that changes color to indicate the presence of some ion or substance
(chemistry) a substance that changes color to indicate the presence of some ion or substance
absorption indicator
an indicator used in reactions that involve precipitation
an indicator used in reactions that involve precipitation
noun.substance
1 Subcategories
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fluorescein, fluoresceine, fluorescent dye, resorcinolphthalein go
a yellow dye that is visible even when highly diluted