A type of material that has a specific density, often used in scientific contexts.

A figurative way to describe something that is difficult to penetrate or understand.

कुछ ऐसा जो प्रवेश या समझ में कठिन हो।

English Usage: "The dense medium of the book made it hard for students to grasp the concepts."

Hindi Usage: "पुस्तक का घना माध्यम छात्रों के लिए अवधारणाओं को समझना कठिन बना दिया।"