turmeric paper
noun
paper treated with turmeric: used to indicate the presence of alkalis, which turn it brown, or of boric acid, which turns it reddish-brown.
Origin of turmeric paper
First recorded in 1800–10
Words nearby turmeric paper
turle knot,
turlock,
turlough,
turmaline,
turmeric,
turmeric paper,
turmoil,
turn,
turn a blind eye to,
turn a deaf ear,
turn a hair, not
British Dictionary definitions for turmeric paper
turmeric paper
noun
chem
paper impregnated with turmeric used as a test for alkalis, which turn it brown, and for boric acid, which turns it reddish brown