ultramarine ash

English

Noun

ultramarine ash (plural ultramarine ashes)

1. A pigment which is the residuum of lapis lazuli after the ultramarine has been extracted, and which was formerly used as a middle or neutral tint for flesh, skies, and draperies[en–19th century].

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “ultramarine ash”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)