(Canada, US, education) Involving some amount of distance education and brief on-campus or on-site residencies.

(This entry is a translation hub.) A ticket with guaranteed firm seating in a bus or train

plural of research professor

A full professor who is exclusively or mainly engaged in research, and who has few or no teaching obligations.

An academic title for a researcher usually of comparable standing to an associate professor.

(aviation, travel) (in a reservation system) The letter used to signify a particular fare level.

(number theory, modular arithmetic) For given positive integer n, any integer that is congruent to some square m² modulo n.

(statistics) the sum of the squared residuals between some model and a dataset; a measure of how well the model fits with the data

plural of resistive random access memory

(Christianity) A sin that can only be absolved by the pope or his legate etc.