plethysmograph
n. [医]体积描记器
形容词：plethysmographic 副词：plethysmographically 名词：plethysmography
英英释义
Noun
- a measuring instrument for measuring changes in volume of a part or organ or whole body (usually resulting from fluctuations in the amount of blood it contains)
例句
- A record or tracing produced by a plethysmograph.体积描记图由体积描记器作出的记录或轨迹