Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]

Narrower term/s

• badigeon (filler)
• extender[+]
  • transparent base
• mortar (filler)[+]
  • [mortar by composition or origin] [+]
    • cement mortar
    • clay mortar [+]
      • clay-and-hair mortar
    • gypsum mortar
    • lime-sand mortar [+]
      • cocciopesto
    • lime mortar [+]
      • fat mortar
      • lean mortar
    • mud mortar
  • [mortar by function] [+]
    • grout [+]
      • steel reinforced grout
    • hydraulic mortar
  • [mortar by property] [+]
    • dry mortar
    • polymer-impregnated mortar
    • air-entrained mortar
    • textile-reinforced mortar
• Spackle (TM)
• plastic cement
• Plastic Wood (TM)
• microballoons

Anotations

Scope note:

An inert powder added to a base material such as a paint, pigment, adhesive, plastic, paper, fabric, wax, or concrete. Fillers may serve multiple purposes such as: extend a matrix, dilute a color, decrease cost, provide bulk, increase strength, improve working properties or generally enhance performance. Examples of materials that are used as fillers are acrylic, calcium carbonate, barium sulfate, clay, diatomaceous earth, glass fibers, glass spheres, gypsum, sand, starch, talc, titanium dioxide.