half‧tone /ˌhɑːfˈtəʊn◂ $ ˈhæftoʊn/ noun

1. [uncountable] a method of printing black and white photographs that shows different shades of grey by changing the number of black dots in an area of the photograph

2. [countable] a photograph printed by this method

[TahlilGaran] Dictionary of Contemporary English ▲