o·pac·i·fi·er 
(ō-păsə-fī′ər)
(ō-păsə-fī′ər)n.
A chemical agent added to a material, such as rocket propellant, to make it opaque.
| 单词 | opacifier |
| 释义 | o·pac·i·fi·er (ō-păsə-fī′ər)n. A chemical agent added to a material, such as rocket propellant, to make it opaque. |
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