Definition

A type of volcanic ash that is used to make a special kind of cement that hardens when mixed with water.

Example

The construction workers used pozzolan to create a strong and durable concrete mix.

Conversation

Have you ever heard of pozzolan?

Yeah, I think it's that volcanic ash used in cement, right?

Exactly! It's fascinating how it helps with the strength of concrete.

Totally! I love learning about different building materials.

Synonyms & Antonyms

Root Explanation

Pozzolan comes from the Italian word 'pozzolana', which refers to a type of volcanic ash found near Pozzuoli, Italy. The term is derived from 'Pozzuoli' (the name of the town) and the suffix '-ana' (meaning pertaining to). Thus, pozzolan refers to a material pertaining to Pozzuoli, specifically the volcanic ash used in construction.

Memory Tip

Think of the town 'Pozzuoli' where this volcanic ash comes from, and remember that 'pozzolan' is the ash that is related to that place.

Visually Confused Words