an abstract or general idea inferred or derived from specific instances
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See concept in a sentence written about what you actually care about
Brevlex writes every example sentence around your interests, then schedules it with spaced repetition so it sticks. No generic textbook line — a sentence for you.
Israeli Psychometric English dictionary (Campus IL / NITE)Authoritative
Each source is a real, checkable word list that contains concept. We never claim an official exam-board list — none is published for the GRE, GMAT, or SAT.