0 made of or looking similar to marble (= a type of very hard rock with a pattern of lines through it that can be polished to become smooth and shiny ): --
As an actor, he's always been wooden, but here he's marmoreal.
She seems pulsingly alive in a way that the grand, marmoreal singers sometimes did not.
In some photographs taken near the end of his life, he looks marmoreal - a statue of himself.
The marmoreal splendour of the Glasgow City Chambers was a fine setting for the lecture.
His overall approach is more warm and flowing than marmoreal, the 17-minute Adagio paced so that it never drags.
The play is staged like a dream, with a series of figures taking turns to sit brooding above the action, outlined in a marmoreal light.
We expect to be awed by the sheer size and marmoreal magnificence of David, the Sistine Chapel, the dome of St. Peter's in Rome.