Lubrication: Meaning, Sexual Arousal, Personal Lubricants, and Comfort
Lubrication means natural or applied moisture that reduces friction during sexual activity, masturbation, penetration, condom use, or sex-toy use.
Lubricant: Meaning, Types, Sexual Uses, and Condom Safety
Lubricant is a slippery liquid, gel, or oil used to reduce friction and improve comfort during sexual touching, penetration, or sex-toy use.