oleomargarine or oleomargarin (ˌəʊlɪəʊˌmɑːdʒəˈriːn, ˌəʊlɪəʊˈmɑːdʒərɪn) ![]() | |
| —n | |
| other names (esp US) for margarine | |
| oleomargarin or oleomargarin | |
| —n | |
| a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S. |
| the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language). |