Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
The artifacts, Plummer said, were clearly part of the stone-age technological breakthrough that was the Oldowan toolkit.
Source: https://phys.org/news/2023-02-million-year-old-butchery-site-reopens-case.html