| IHSS | Sends under the natural plump aorta petal to be narrow especially | 特发性肥厚型主动脉瓣下狭窄 |
| IHSS | International Humic Substances Society | 国际腐殖质协会 |
| IHSS | Idiopathic Hypertrophic Subaortic Stenosis (disease) | 特发性肥厚性主动脉下狭窄（疾病） |
| IHSS | In-Home Supportive Services (California Department of Social Services) | 家庭支持服务（加州社会服务部） |
| IHSS | Integrated Healthcare Systems Simulation | 集成医疗系统仿真 |
| IHSS | Idiopathic Hypertrophic Subaortic Stenosis (medical) | 特发性肥厚性主动脉下狭窄（医学） |
| IHSS | In Home Supportive Services | 家庭支持服务 |
| IHSS | Idiopathic Hypertrophic Subaortic Stenosis | 特发性肥厚性主动脉下狭窄 |
| IHSS | In Home Support Services | 家庭支持服务 |
| IHSS | In Home Supportive Service | 家庭支持服务 |