Acheulean tools are a type of stone toll found in association with Homo Erectus remains, and so presumably made by them

There are no perfect rhymes for the word cerulean.

Acheulean Acheulian herculean

Acheulean tool technology is more advanced than Oldowan tool technology, characterized by the presence of handaxes and cleavers. Acheulean tools were more standardized and symmetrical, reflecting more planning, skill, and cognitive abilities compared to the simpler and more basic Oldowan tools. The Acheulean industry appeared later in the archaeological record and was used for a longer period of time.

Yes, Homo erectus is known to have used and crafted Acheulean tools, which are characterized by a teardrop-shaped handaxe. These tools were an important technological advancement in the early Stone Age, aiding in activities such as hunting, butchering, and processing plants.

An Acheulian is someone who was alive during a lower Paleolithic period, a time in which the first hand axes were used.