1. (Material Noun-Neuter) An extremely hard form of naturally crystallized carbon. কাৰ্বনৰ টান,স্ফটিক ৰূপ

English: diamond,
Assamese: মনীন্দ্ৰ, হীৰক, হীৰা,
Bodo: हीरा,
Khasi: maw kordor, maw lynnai,
Garo: hira,
Nagamese: hira,
TAI-Ahom: ছিঙ্, ফিট্,
Santali: hirạ,
TAI-Phake: seng