Relating to or producing synovia, which is a clear, thick, lubricating fluid found in the cavities of synovial joints.
The word synovial is used in science and medicine to talk about the fluid that helps joints move smoothly.
Examples:
The synovial fluid helps my knees move easily.
The doctor said my synovial joints are healthy.
The synovial fluid makes my joints work better.
My synovial joints are like well-oiled machines.
The synovial fluid is like magic for my joints.
The synovial joints are the best part of my body.