| Subject | English | Japanese |
| comp., MS | extension method | 拡張メソッド (A static method that can be invoked by using instance method syntax. In effect, extension methods make it possible to extend existing types and constructed types with additional methods) |
| gen. | extension method | 伸長法 |
| gen. | virtual crack extension method | 仮想き裂進展法 |
| gen. | virtual crack extension method | VCE法 |