耐性|たいせいtaisei[0]heiban (flat)

1. nounresistance (to heat, corrosion, etc.); tolerance (to a drug, pain, etc.)
2. noun, medicine, biologyresistance (to drugs, pesticides, etc.)

• Synonym抵抗力ていこうりょくNeutralThe power to withstand outside force or fight off illness, as in 「抵抗力が落ちる」; 「耐性」 leans toward tolerance of drugs and environmental stress.
• Synonym抵抗性ていこうせいWrittenWritten/formal term for resistance, as in 「病害抵抗性」; 「耐性」 leans toward tolerance, such as drug resistance.
• Antonym感受性かんじゅせいWrittenWritten/formal word for sensitivity or susceptibility; it stands opposite 「耐性」 on the tolerance–sensitivity scale.
• Antonym脆弱性ぜいじゃくせいWrittenWritten/formal word for vulnerability or weakness, also security holes; it stands opposite 「耐性」 on the tolerance–fragility scale.

Use 「耐性」 for tolerance of drugs or environmental stress, as in 「耐性菌」 and 「ストレス耐性」. For the body's power to resist disease use 「抵抗力」, and for resistance in formal writing 「抵抗性」; 「感受性」 and 「脆弱性」 are the opposites.

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

1. 環境かんきょう条件じょうけんや化学かがく物質ぶっしつなとに抵抗ていこうする性質せいしつ。
2. 生物せいぶつが薬物やくぶつなどに抵抗ていこうする性質せいしつ。