expansion; growth by the rapid multiplication of parts
The proliferation of smartphones has revolutionized communication across the entire world.
Vocabulary like proliferation appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.
extravagant; a dissolute man in fashionable society
deep; showing intellectual penetration or emotional depth
deep wisdom
abundance; the property of being extremely abundant
predecessor; an ancestor in the direct line
ban; command against
discouraging by high cost
increase; grow rapidly
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