(p. pr. & vb. n.) of Tighten.

accelerando acceleration aggravation beefing-up blowing up blowup clamping clamping down compression concentration condensation consolidation crescendoing crescent crush deepening enhancement exacerbation exaggeration expanding explosion growing heating-up heightening increasing incremental information explosion intensification intensifying lengthening magnification multiplying nip on the increase pickup pinch population explosion press pressure proliferating redoubling reinforcement snowballing speedup spreading squeeze squeezing step-up strengthening swelling tweak waxing