She felt it with a mother’s anguish to be a move in the Wat Tyler direction, well knowing that Sir Leicester had that general impression of an aptitude for any art to which smoke and a tall chimney might be considered essential.
Volumnia, lighting a candle (with a predestined aptitude for doing something objectionable), is bidden to put it out again, for it is not yet dark enough.
There are no more uses of "aptitude" in the book.
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Hyde’s study indicates that girls and boys have the same aptitude for math.
Evidently she had great natural aptitude for her work.