Randschärfe (Hütte) marginal definition, contrast on border, definition on border, sharpness of edge, edge definition, (medical) contour sharpness
Raster (#publishing) grid, matrix, raster (image), (#Halbleitertechnik) pitch/grid/spacing
(Like to see English terms for Raster in other settings?)
Rastkamm clamping comb
Rastknopf locking button
Rauschfunktion (Like to see an explanation in German and English and an English term for Rauschfunktion >>)
Rauschmodell noise model
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