adjective
Definition: Relating to a critical or crucial period, often associated with significant changes or transitions.
Example: The climacteric phase of life can bring about many emotional and physical changes.
noun
Definition: A significant period in life for women that indicates the end of their ability to have children, often associated with physical and emotional changes, and also refers to a similar period in men.
Example: During the climacteric, many women experience various symptoms as they approach menopause.