What is the term for pieces of rock ejected during a volcanic eruption that compose rocks like tuff?

Answer

Pyroclasts

In volcanology, fragments of rock ejected during an eruption, such as glass shards, pumice, or rock pieces, are specifically called pyroclasts.

What is the term for pieces of rock ejected during a volcanic eruption that compose rocks like tuff?
Geologyrockfragmentstoneparticle