| Harrison and Spearpoint have also observed this phenomenon in the study of adhered spill plume. |
| It is, however, occasionally seen on articles of stone, as the spearpoint and stone hatchet and sacrificial knife. |
| Day after day, year by year, he labored like a monk, the spearpoint of his pencils seeming to move one atom at a time into place on his gesso boards. |
| To create a spearpoint or any other stone tool, a seasoned flintknapper first orients a piece of stone, or core, in a desired direction and trims it in specific ways. |
| Mallory raised his hand to his helmet and felt the sizable dent that the spearpoint had made. |
| The mataa, or obsidian spearpoint, which was mass-produced, is the characteristic artifact of this period. |
