"Perspiration" refers to the process of sweating. It is the body's natural way of regulating temperature by releasing moisture through sweat glands on the skin surface. Sweat is mostly composed of water and electrolytes, and helps cool the body down during physical activity or in response to heat.
There is no such word so it means nothing.
Antiperspirant reduces underarm perspiration. The active ingredient in most antiperspirants is aluminum oxide
Edison meant that while innate talent or genius is important, it is primarily hard work, dedication, and effort—symbolized by "ninety-nine percent perspiration"—that leads to success. This emphasizes the value of persistence and determination in the creative process, suggesting that even the most brilliant ideas require significant labor and commitment to bring them to fruition. Essentially, it underlines that success is more about perseverance than just raw intelligence.