Question

why paintings are called miniature painting​

Answer 1

The paintings are called miniatures because of its size. They are small

Answer 2

Miniature painting, also called (16th–17th century) limning, small, finely wrought portrait executed on vellum, prepared card, copper, or ivory. The name is derived from the minium, or red lead, used by the medieval illuminators. Arising from a fusion of the separate traditions of the illuminated manuscript and the medal, miniature painting flourished from the beginning of the 16th century down to the mid-19th century.