noun, noun which may take the genitive case particle 'no'
irritating quality; stimulating property; pungency
Refers to the property of causing irritation or stimulation, often used for chemicals, foods, or physical agents. Can describe both negative irritation and positive stimulation depending on context.
This detergent has low irritativeness to the skin.
The pungency of chili peppers adds an accent to the dish.
Compound of 刺激 (しげき, 'stimulus, irritation') + 性 (せい, '-ness, property'). The kanji 刺戟 is a rare variant of 刺激.