litmus en · NOUN
Pronunciation
- (Southern-England) audio
- /ˈlɪtməs/
Etymology
From Middle English litmose, lytmose, litemose, from Old Norse litmosi (“moss used for dyeing”), from lita (“to dye, stain”) + mosi (“moss”), the former from litr (“colour, dye, blee”), from Proto-Germanic *wlitiz, *wlituz (“appearance, blee”), from Proto-Indo-European *wel- (“to see”). Cognate with Old English wlite (“appearance, form, brightness, countenance”). More at moss.
Meanings
- (uncountable) A dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.
- (countable, uncountable) A simple test of acidity in a liquid using litmus, usually in the form of litmus paper.
- (countable, uncountable) A simple test of any attribute; a litmus test.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| litmuses | Number=Plur | lexicographic |
Deriveds
azolitmin · litmus test · litmus milk · litmus paper
Relateds
Roccella montagnei · Variolaria dealbata · acidic · Dendrographa leucophoea · Roccella pygmaea · pH · Roccella tinctoria · Ochrolechia parella · Ochrolechia tartarea · Roccella fuciformis · Lecanora tartarea · Roccella phycopsis · Parmotrema tinctorum · Parmelia · alkaline
Synonyms
indicator · lacmus (dyestuff from lichen)
Translations (28)
la lacmus (dyestuff from lichen) · cmn 石蕊 (dyestuff from lichen) · ru ла́кмус (dyestuff from lichen) · bg лакмус (dyestuff from lichen) · mk лакмус (dyestuff from lichen) · nl lakmoes (dyestuff from lichen) · cs lakmus (dyestuff from lichen) · it tornasole (dyestuff from lichen) · ja リトマス (dyestuff from lichen) · fi lakmus (dyestuff from lichen) · fr tournesol (dyestuff from lichen) · tr turnusol (dyestuff from lichen) · pl lakmus (dyestuff from lichen) · fa تورنسل (dyestuff from lichen) · tr turnusol boyası (dyestuff from lichen) · el ηλιοτρόπιο (dyestuff from lichen) · es tornasol (dyestuff from lichen) · hu lakmusz (dyestuff from lichen) · vi quỳ (dyestuff from lichen) · gl tornasol (dyestuff from lichen) · pt tornassol (dyestuff from lichen) · ko 리트머스 (dyestuff from lichen) · ka ლაკმუსი (dyestuff from lichen) · sv lackmus (dyestuff from lichen) · tl tornasol (dyestuff from lichen) · de Lackmus (dyestuff from lichen) · da lakmus (dyestuff from lichen) · mi tohu waikawa (dyestuff from lichen)