收缩压 shōusuōyā systolic blood pressure Origin Definitions Defs Strokes Stroke Words Sentences Sents 收缩 收縮 shōusuō systole the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries压 壓 yā noun [pressure] (bound form) pressure; specifically referring to voltage, air pressure, or blood pressure