| aegyptopithecus | |
noun | |
| extinct primate of about 38 million years ago; fossils found in Egypt |
| an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language. |
| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |