What is the difference between hard return and soft return? A hard return is when the user hits the return or enter key to bring subsequent text onto a new line. If you keep typing until the text reaches the end of the line and it star â¦ ts on a new line itself automatically, that is a soft return.
Definition of litmus. 1  1 : a coloring matter from lichens that turns red in acid solutions and blue in alkaline solutions and is used as an acid-base indicator. 2  2 : the critical factor in a litmus test; also : litmus test.
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.