The word "biological" is a adjective that means Relating to biology or living organisms.. In Bengali, it is expressed as "জৈবিক, বায়োলজিক্যাল, জৈব, জীবন-সম্পর্কিত", which carries the same essential meaning. For example: "Biological research is crucial for medicine.". Understanding "biological" enhances vocabulary and improves language comprehension for both English and Bengali speakers This term plays an important role in effective communication and language learning.