She whispered that the widow next door had slipped a dose of aqua Tofana into her husband's wine.

Workers stored the aqua ammonia in a ventilated cabinet to prevent dangerous vapor buildup.

Before the demonstration, the instructor warned us that aqua regis can rapidly dissolve gold and should be handled with extreme caution.

The apothecary insisted that a small glass of aqua mirabilis was the best remedy for travel-weary stomachs.

In the dim light of his workshop, the elderly apothecary reached for a dusty bottle of aqua vitæ to numb the pain of his aching hands.

She prefers aqua walking because it lets her exercise effectively while reducing impact on her knees.

Every morning, she practices aqua jogging to stay fit without stressing her joints.

She signed up for an aqua bike class at the community pool to strengthen her legs.

At the beachfront park, families rented aqua bikes to explore the calm bay.

She joined an aqua aerobics class to improve her stamina without stressing her joints.