In biology, describing organisms that thrive in or have an affinity for carmine-stained environments or that respond well to carmine staining.
From carmine plus the Greek philo- meaning 'love of,' with the suffix -ous; used in microscopy and histology to describe cellular affinities.
This is the kind of hyper-specialized scientific term that shows how scientists create language for incredibly specific phenomena—some cells just love carmine dye, and we need a word for that.
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