India ink

Multiple Entries:
  India ink    Indian ink  

Concise Oxford English Dictionary © 2008 Oxford University Press:
India ink/ˈɪndɪə/

▶noun North American term for Indian ink.

Concise Oxford English Dictionary © 2008 Oxford University Press:
Indian ink (also N. Amer. India ink)

▶noun deep black ink containing dispersed carbon particles, used especially in drawing and technical graphics.

– origin C17: orig. applied to Chinese and Japanese pigments prepared in solid blocks and imported to Europe via India.