(Cambridge University slang) Clipping of St John's, referring to St John's College, Cambridge. / (Oxford University slang) Clipping of St John's, referring to St John's College, Oxford.

Third-person singular simple present indicative form of reassimilate

(botany) The main vein of a simple leaf or leaflet, running from the petiole to its apex, and from which the other veins usually spread.

A hypothetical means of faster-than-light propulsion, based on the controlled contraction and expansion of surrounding space.