retroreflector

retroreflector读音音标

英 [retrəʊrɪ\'flektə(r)]

美 [\'retroʊrɪ\'flektə]

retroreflector意思解释

n.

回射器；

后向反射器；

英英释义

A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects light back to its source with a minimum of scattering. An electromagnetic wave front is reflected back along a vector that is parallel to but opposite in direction from the wave\'s source.