English word acid comes from Proto-Indo-European *h₂ḱ-, Latin -idus ((suffix forming verbs) tending to.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *h₂ḱ- | Proto-Indo-European (ine) | |
| -idus | Latin (lat) | (suffix forming verbs) tending to. |
| *akēō | Proto-Italic (itc-pro) | Be sharp-tasting, be sour. |
| aceo | Latin (lat) | (figuratively, Late Latin) I am disagreeable.. (of wine) I am sour. |
| acidus | Latin (lat) | (figuratively) disagreeable, unpleasant; sharp, keen, pungent; sharp-tongued. (of sound) harsh, grating, rough, shrill. Sour, tart, acid, bitter. |
| acide | French (fr) | (chemistry) acid, acidic. Acid, acidic, sour, tart (chemistry) acid. (slang) LSD (acid). |
| acid | English (en) | (chemistry) Any of several classes of compound having the following properties:-. (slang) lysergic acid diethylamide (LSD). A sour substance.. Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid. Any compound that easily donates protons; a Brønsted acid. Any of a class of water-soluble compounds, having sour taste, that turn blue litmus red, and react with [...] |