A solid that can be filtered out of wastewater is referred to as a:

The term that refers to a solid which can be filtered out of wastewater is "suspended solid." These solids are typically larger particles that remain dispersed in the liquid, allowing them to be separated through physical filtration methods. Suspended solids often include items such as silt, clay, organic material, and other debris that do not dissolve in water.

Understanding the properties of suspended solids is crucial in wastewater treatment, as their removal is an important step to improve water quality. Unlike dissolved solids, which are permanently in solution and cannot be filtered out, suspended solids can be physically separated, making their presence significant in assessing the clarity and cleanliness of water.

The other types of solids mentioned typically have different characteristics: dissolved solids are fully integrated into the liquid and cannot be removed through filtration, colloidal solids are extremely small and may remain suspended for long periods but are not easily filtered, and precipitated solids are those that have formed from a reaction in the solution and may settle at the bottom but typically require specific conditions to form.