Plural of eosine; multiple forms or varieties of the red eosin dye, or multiple instances of eosine compounds.
Simply the plural form of 'eosine', formed by adding '-s' to the singular noun.
While 'eosine' itself refers to one type of dye, scientists actually use several slightly different eosines in the lab—they can be modified with different chemical groups to adjust staining intensity and color shade.
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