lubricant

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lubricant

/lu·bri·cant/ (loo´brĭ-kant) a substance applied as a surface film to reduce friction between moving parts.

lubricant

[lo̅o̅′brikənt]
Etymology: L, lubricans, making slippery
a fluid, ointment, or other agent capable of diminishing friction and making a surface slippery.

lubricant

Sexology
Any material (e.g., gel, jelly or lotion) designed to reduced friction, which is used to aid sexual intercourse or masturbation.

lubricant

Medtalk An oily or slippery substance to reduce friction Sexology An endogenous–eg, vaginal secretions, or exogenous–eg, K-Y jelly, substance that  facilitates coitus
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