n. 25B6; noun
a fraction of the population : PART, subdivision, division, portion, segment, slice, section, sector; proportion, percentage, ratio, measure.
only a fraction of the collection : TINY PART, fragment, snippet, snatch, smattering, selection.
he moved a fraction closer : TINY AMOUNT, little, bit, touch, soupçon, trifle, mite, shade, jot; informal smidgen, smidge, tad.
whole.