metaldehyde /mi'tældәhaid/ 📖 中文释义 n. [化]聚乙醛, 四聚乙醛 📘 English Definition(英文释义) n. A white crystalline substance isomeric with, andobtained from, acetic aldehyde by polymerization, and reconvertibleinto the same. ← metalclad M 字母词表 metaled →