- a substance that participates in a chemical reaction, esp a substance that is present at the start of the reaction
| 单词 | reactant |
| 释义 | WordReference Random House Learner's Dictionary of American English © 2024 re•ac•tant /riˈæktənt/USA pronunciation n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024
re•ac•tant (rē ak′tənt),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: reactant /rɪˈæktənt/ n
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