Any agent that produces relaxation. / (cosmetics) A cream or lotion that loosens curls in the hair to aid straightening. / A person who relaxes.

plural of relaxivity

Third-person singular simple present indicative form of relax

to stop feeling nervous or worried; to rest and do something enjoyable

plural of muscle relaxant

Any drug which affects skeletal muscle function and decreases the muscle tone.

(physics) The characteristic time for a system to reach an equilibrium condition after a disturbance. / (medicine) The time taken for a muscle to revert to its resting state after being used.

plural of letter of relaxation

(Scotland, law) A letter passing the signet, whereby a debtor is relieved from personal diligence, or whereby an outlaw is reponed against sentence of outlawry.

(astronomy) The dynamic change in the trajectory of the stars of a galaxy induced by the collective interactions of all the other stars.