grainless en · ADJ
Etymology
From grain + -less. Piecewise doublet of cornless.
Meanings
-
(not-comparable) Without grain.
grainless silage
-
(not-comparable) Free from grainy texture or appearance.
Highlights start blocking up and shadows turn to featureless black far sooner than on normal films — but the shadows are a very lovely black, because shadow areas of the two new films are clear and grainless.
1973 January, Popular Mechanics, volume 139, number 1, page 52:making grainless enlargements
1934, Popular Science, volume 125, number 4, page 78: