What does 倍率 mean?
倍率 is a Japanese noun meaning “diameter, magnification” in English. It can also be translated as “competitiveness rating (e.g. for university entrance)” depending on context. It is written as 倍率 in kanji, ばいりつ in hiragana, and bairitsu in romaji. This word is part of JLPT N1 vocabulary.