ligation

名词noun

1. 1Something that ties, a ligature.
2. 2The act of tying, of applying a ligature.
3. 3The state of having a ligature, of being tied.
4. 4(surgery) The act of tying off or sealing a blood vessel, fallopian tube, etc during surgery; act of ligating.
5. 5(chemistry) The formation of a complex