A delta is new, flat land built by a river at its mouth from the mud and sand it lays down. The river splits into several branches that spread across it, often in the shape of a fan.

বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা
A delta is new, flat land built by a river at its mouth from the mud and sand it lays down. The river splits into several branches that spread across it, often in the shape of a fan.
