thick, soft, wet matter, typically produced as a byproduct in industrial processes or sewage treatment.

a mixture of mud and water.

गंदगी

English Usage: The factory's waste resulted in a significant amount of sludge that needed to be disposed of.

Hindi Usage: कारखाने के कचरे के परिणामस्वरूप बहुत अधिक गंदगी हुई जिसे निपटाने की आवश्यकता थी।

a term used in environmental science referring to the accumulation of waste materials.

अपशिष्ट सामग्री का संचय

English Usage: The sludge channel in the river was a concerning sign of pollution affecting local wildlife.

Hindi Usage: नदी में गंदगी चैनल स्थानीय वन्यजीवों को प्रभावित करने वाले प्रदूषण का चिंताजनक संकेत था।