- litmus paper
- UK / US
noun [uncountable] chemistry
paper that contains litmus. If the paper touches an acid, it turns red, and if it touches an alkali, it turns blue.
English dictionary. 2014.
litmus paper
Look at other dictionaries:
litmus paper — n paper colored with litmus and used as an acid base indicator * * * bibulous paper impregnated with a solution of litmus, dried, and cut into strips. If slightly alkaline, the paper is blue and is used as a test for acids, which turn it red; if… … Medical dictionary
Litmus paper — Litmus Lit mus, n. [D. lakmoes; lak lacker + moes a thick preparation of fruit, pap, prob. akin to E. meat: cf. G. lackmus. See {Lac} a resinous substance.] (Chem.) A dyestuff extracted from certain lichens ({Roccella tinctoria}, {Lecanora… … The Collaborative International Dictionary of English
litmus paper — litmus ,paper noun uncount paper that contains litmus . If the paper touches an acid, it turns red, and if it touches an ALKALI, it turns blue … Usage of the words and phrases in modern English
litmus paper — litmus .paper n [U] paper containing litmus, used to test whether a chemical is an acid or an ↑alkali … Dictionary of contemporary English
litmus paper — ► NOUN ▪ paper stained with litmus, used as a test for acids or alkalis … English terms dictionary
litmus paper — n. absorbent paper treated with litmus and used as an acid base indicator … English World dictionary
litmus paper — lakmuso popierius statusas T sritis Standartizacija ir metrologija apibrėžtis Indikatorinis lakmuso tirpale įmirkytas popierius. atitikmenys: angl. litmus paper vok. Lackmuspapier, n rus. лакмусовая бумага, f pranc. papier de tournesol, m … Penkiakalbis aiškinamasis metrologijos terminų žodynas
litmus paper — paper covered in a special substance and used to detect acids and bases … English contemporary dictionary
litmus paper — noun unsized paper treated with litmus for use as an acid base indicator • Hypernyms: ↑paper • Substance Meronyms: ↑litmus, ↑litmus test … Useful english dictionary
litmus paper — noun Date: 1803 unsized paper colored with litmus and used as an indicator … New Collegiate Dictionary
