How to say "biology" in Japanese

• 生物学せいぶつがくCommon
  nounThe word for biology as a science or field of study: use it whenever you mean the discipline itself, as in studying or teaching the subject.
  この本ほんは生物学せいぶつがくを理解りかいする基礎きそとなるものだ。↗

  This book is fundamental for an understanding of biology.
• 生物せいぶつJLPT N3approx.Common
  nounAn abbreviation of 生物学, so it reads as 'biology' in fixed uses such as the school subject name; it really means 'living thing' or 'organism', and is seldom the word you want for the science.

Use 生物学 for biology as a science or field of study; 生物 is an abbreviation of that word, so it gives 'biology' only in fixed uses such as the school subject name, otherwise meaning 'living thing'.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 生物学せいぶつがくbiology
• バイオロジーbiology
• 生物せいぶつbiology