Thick, soft, wet matter, typically produced as a byproduct in industrial processes.

A semisolid or viscous substance produced from various organic materials.

अर्ध ठोस पदार्थ

English Usage: The food processing factory generated a significant amount of sludge from its operations.

Hindi Usage: खाद्य प्रसंस्करण कारखाने ने अपने संचालन से एक महत्वपूर्ण मात्रा में अर्ध ठोस पदार्थ उत्पन्न किया।