harmonic mean (noun)

1. In some religions, the concept of harmonic mean symbolizes the balance and unity between different aspects of spirituality.

2. During the Renaissance, the concept of harmonic mean was explored by mathematicians as part of the advancements in mathematical thinking of the time.

3. The film 'A Beautiful Mind' beautifully showcases the application of harmonic mean in the field of mathematics and its significance in understanding complex systems.

4. The fashion industry is always in search of the harmonic mean between trendy and timeless styles to cater to the diverse tastes and preferences of consumers.