noun
life form; living organism
A general term for any living entity, from microorganisms to complex organisms. Often used in scientific or speculative contexts.
地球外生命体の存在を信じていますか？
Do you believe in the existence of extraterrestrial life forms?
この惑星には多様な生命体
Diverse life forms exist on this planet.
Compound of 生命 (せいめい, 'life') and 体 (たい, 'body' or 'form'). The word is a straightforward combination of these elements, with no irregular historical derivation.