Bricks and mortar and Building material

Bricks and mortar noun - Building material consisting of bricks laid with mortar between them.

Building material and bricks and mortar are semantically related. In some cases you can use "Building material" instead a noun phrase "Bricks and mortar".

Building material noun - Material used for constructing buildings.

Bricks and mortar and building material are semantically related. Sometimes you can replace phrase "Bricks and mortar" with "Building material", this phrases are similar.