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litmus 音标拼音: [l'ɪtməs]

n. 石蕊

石蕊

WordNet (r) 3.0 (2006) (WordNet)

litmus
n 1: a coloring material (obtained from lichens) that turns red
in acid solutions and blue in alkaline solutions; used as a
very rough acid-base indicator [synonym: {litmus}, {litmus
test}]

The Collaborative International Dictionary of English v.0.48 (gcide)

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 tartarea}, etc.), as a blue amorphous
mass which consists of a compound of the alkaline carbonates
with certain coloring matters related to orcin and orcein.
[1913 Webster]

Note: Litmus is used as a dye, and being turned red by acids
and restored to its blue color by alkalies, is a common
indicator or test for acidity and alkalinity.
[1913 Webster]

{Litmus paper} (Chem.), unsized paper saturated with blue or
red litmus, -- used in testing for acids or alkalies.
[1913 Webster]

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Litmus
With Litmus, you can design, code, and review emails in one workspace Create on-brand templates, add dynamic personalization, and sync directly with your ESP for a flawless launch every time
Litmus - Wikipedia
Litmus is a water-soluble mixture of different dyes extracted from lichens It is often absorbed onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity
LITMUS Definition Meaning - Merriam-Webster
The meaning of LITMUS is a coloring matter from lichens that turns red in acid solutions and blue in alkaline solutions and is used as an acid-base indicator
LITMUS TEST | definition in the Cambridge English Dictionary
One litmus test is to try to behave differently for a week and figure out if that makes you happier
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Single-payer healthcare is a central talking point in the chaotic race for California governor In a crowded field, top-polling Democrats are declaring their support for a government-run health
What Is a Litmus Test? How It Works and What It Means
A litmus test is a simple chemical test that tells you whether a liquid is acidic or basic (alkaline) You dip a small strip of specially treated paper into the liquid, and the paper changes color: red means acid, blue means base
Litmus
Built for legacy and modern industrial systems Litmus integrates with the industrial stack you already rely on, including PLCs, SCADA platforms, historians, MES, cloud infrastructure, and analytics tools
Litmus Test profile: 2026 Kentucky Derby odds, post position, history . . .
Litmus Test profile: 2026 Kentucky Derby odds, post position, history and more to know Get caught up with Litmus Test's past performances, jockey, trainer and full analysis heading into the Run
Litmus Paper and the Litmus Test - Science Notes and Projects
Learn about litmus paper and how to perform and interpret the litmus test See the colors to expect using red, blue, or purple litmus
Litmus - LinkedIn
About us Litmus provides an Industrial Edge Data Platform used by manufacturers worldwide to turn machine data into reliable, analytics‑ready information

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