(law) A third party interest in an estate in land created by the conditions of a grant wherein the grantor gives the land to a second party, but with the occurrence of a condition divesting the second party of the land in favor of the third party.

plural of shifting executory interest

A form of frequency modulation in which digital information is transmitted through discrete changes of the frequency of a carrier wave.

A form of phase modulation in which digital information is transmitted through discrete changes of the phase of a carrier wave.

(biology, psychology) The hypothesis that women's taste in men, and subconscious thoughts and behaviors, change throughout the menstrual cycle.

A very late shift of work.

Alternative spelling of phase-shift keying

Alternative spelling of frequency-shift keying

(phonology) A major change in the pronunciation of the English language, affecting the sounds of long vowels, that took place in England between 1350 and 1700.

A person's perceived skill or competence is determined by their most recent success or failure.