Amphibium is a term used to refer to an animal that can live both on land and water. There are several synonyms for this word, including amphibian, water-land animal, and dual-life organism. Other synonyms include amphibious creature, amphibious specimen, and amphibious being. These terms all depict an animal that can freely transition between aquatic and terrestrial habitats. The word Amphibium derives from the Greek word 'amphi' meaning 'both' and 'bios' meaning 'life'. Amphibious animals have adapted to meet the demands of their unique environment, making them fascinating creatures to study and observe.