Structural · definition
The sand and gravel/stone that makes up most of concrete's volume, providing strength and bulk in the cement matrix.
Source: American Concrete Institute — ACI Concrete Terminology
Related terms
Where this term fits in a remodel
The pillar guides set terms like this one in context — what the work involves, what drives its cost, and where it sits in the sequence of a project. Pricing a specific house takes a defined scope and an on-site assessment.