| 单词 | retrodirective |
| 释义 | retrodirective[ re-troh-di-rek-tiv, -dahy- ] / ˌrɛ troʊ dɪˈrɛk tɪv, -daɪ- / adjective Optics.(of a mirror, reflector, etc.) having three reflecting surfaces so oriented that a ray of light is reflected in a direction parallel but opposite to its original direction. Origin of retrodirectiveretro- + directive Words nearby retrodirectiveretrocollic spasm, retroconduction, retrocursive, retrocuspid papilla, retrodeviation, retrodirective, retrodisplacement, retrofire, retrofit, retroflex, retroflexion Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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