How to say "vector" in Japanese

• ベクトルCommon
  nounThe usual form for the mathematical and physical sense: a quantity that has both magnitude and direction. Choose it in mathematics, physics, and most general writing about vectors.
• ベクターCommon
  nounAn alternative transcription of the same loanword. In mathematics and physics ベクトル is what you will normally see; this form appears chiefly in proper names and in some technical fields such as biotechnology.

Both are transcriptions of the same loanword: write 「ベクトル」 for the mathematical and physical sense, while 「ベクター」 is a variant that turns up mainly in proper names and in some technical fields such as biotechnology.

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

• ベクトルvector
• ベクターvector
• パスpath (in vector graphics)
• 媒介物ばいかいぶつcarrier
• 媒介者ばいかいしゃ(disease) vector