1. the fusion or growing together of parts that are normally separate
Usage: botanical; medical

Examples

• The adnation of the stamens to the petals is a distinguishing feature of this flower species.
• Botanists study adnation to understand how plant structures develop.
• The adnation of tissues can occur during healing processes.
• This orchid shows clear adnation between its reproductive organs.
• Medical students learn about adnation in anatomy class.
• The adnation of leaves to the stem creates an unusual appearance.