A class of windsurf board made to specific requirements.

(mathematics) Any of the large semiprime numbers to be factored in the RSA Factoring Challenge, a competition from 1991 to 2007 encouraging research into computational number theory.

plural of RSA number

plural of RSVP

Third-person singular simple present indicative form of RSVP

plural of RSI

(medicine) Initialism of reflex sympathetic dystrophy.

(radio) A code used to express the quality of a radio signal being received, standing for Readability, Strength and (for nonvoice communication) Tone.

(astronomy, stars) Abbreviation of red supergiant. / (Australia) Responsible Service of Gambling, a government certificate allowing hotel workers to work in a gambling establishment.

present participle of RSVP