1.
nature, character, disposition
The inherent or essential qualities of a person or thing.
彼は優しい性質です。
He has a gentle nature.
性質が穏やかな人が好きです。
I like people with a calm disposition.
仕事の性質上、出張が多いです。
Due to the nature of my work, I travel often.
性質上 = by the nature of
2.
property, quality
The characteristics or attributes of a substance or object.
水の性質を学ぶ。
To study the properties of water.
この物質の性質を調べています。
I'm investigating the properties of this substance.
この薬には熱を下げる性質があります。
This medicine has the property of reducing fever.
性質 refers to inherent nature or properties.
COMMON PATTERNS:
- ~の性質 (the nature of ~)
- 性質上 (by nature, due to the nature of)
- 性質が良い/悪い (good/bad natured)
SIMILAR WORDS:
- 性格: personality (for people)
- 性質: nature (people or things)
- 特性: characteristic, property (technical)
- 気質: temperament, disposition