| 释义 |
litmus test
litmus testn.1. A test for chemical acidity or basicity using litmus paper.2. A test that uses a single indicator to prompt a decision: "The word 'hopefully' has become the litmus test to determine whether one is a language snob or a language slob" (William Safire).litmus test n 1. (Chemistry) a test to establish the acidity or alkalinity of a mixture 2. a critical indication of future success or failure lit′mus test`
n. 1. a test using litmus paper or solution to indicate the acidity or alkalinity of a solution. 2. a crucial test using a single issue or factor as the basis for judgment. [1955–60] Thesaurus| Noun | 1. |  litmus test - a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicatorlitmusacid-base indicator - an indicator that changes color on going from acidic to basic solutionslitmus paper - unsized paper treated with litmus for use as an acid-base indicator | | 2. | litmus test - a test that relies on a single indicator; "her litmus test for good breeding is whether you split infinitives"exam, examination, test - a set of questions or exercises evaluating skill or knowledge; "when the test was stolen the professor had to make a new set of questions" |
Translationslitmus test
litmus test1. A chemical test used to determine acidity or alkalinity in a solution. The students performed a litmus test in class to learn whether the chemical solution was an acid or a base.2. A test used to determine someone's true intentions or beliefs. I used his reaction to my favorite movie as a litmus test to determine if he was worth dating.See also: litmus, testlitmus test 1. Lit. a test used to determine the acidity or alkalinity of chemical substances. (Acid turns litmus paper red and alkaline compounds turn it blue.) I used a litmus test to show that the compound was slightly acid. 2. Fig. a question or experiment that seeks to determine the state of one important factor. His performance on the long exam served as a litmus test to determine whether he would go to college. The amount of white cells in my blood became the litmus test for diagnosing my disease.See also: litmus, testa litmus test JOURNALISMCOMMON If something is a litmus test of the quality or success of a particular thing, it is an effective way of proving it or measuring it. My personal litmus test when I have to decide whether to keep or discard something is whether or not I look at and enjoy it every day. The success of wind power represents a litmus test for renewable energy. Note: Litmus paper is used to test the acidity of substances. It turns red in acid conditions and blue in alkaline conditions. See also: litmus, testEncyclopediaSeelitmuslitmus test
litmus testn. A test for chemical acidity or basicity using litmus paper.litmus test
Synonyms for litmus testnoun a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutionsSynonymsRelated Words- acid-base indicator
- litmus paper
noun a test that relies on a single indicatorRelated Words |