| NOUN | substance | litmus paper | unsized paper treated with litmus for use as an acid-base indicator |
|---|
| Meaning | unsized paper treated with litmus for use as an acid-base indicator. | |
|---|---|---|
| Broader | paper | A material made of cellulose pulp derived mainly from wood or rags or certain grasses |
| Substances | litmus, litmus test | A coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions |
| Spanish | papel de tornasol, tornasol | |
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