See Also: Litmus(medicine)
litmus(dictionary)
litmus(encyclopedia)
litmus(dictionary)
Litmus Test(money)
litmus paper(dictionary)
litmus test(dictionary)
lactose-litmus agar(medicine)

litmus (iou)



litmus noun. ME.
[Old Norse lit-mosi (formed as LIT noun + mosi moss), Middle Dutch lijkmoes.]
A soluble blue powder obtained from various lichens which turns red in acidic conditions and blue in alkaline over a range of pH 4.5-8.3.
Comb.: litmus blue a blue pigment prepared from litmus; litmus paper unsized paper stained blue with litmus, to serve as a test for acids, reddened by an acid, to serve as a test for alkalis; litmus test a test for acids or alkalis using litmus paper; fig. a simple test to establish true character.