lying down; having a tendency (to); often used in combination
Some people are prone to allergies in spring.
Vocabulary like prone 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.
increase; grow rapidly
expansion; growth by the rapid multiplication of parts
highly productive
introduction; an introduction to a play
extend; lengthen in time; cause to be or last longer
well known or easily noticeable
high ground; a natural elevation (especially a rocky one that juts out into the sea)
make known; state or announce
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