oxalyl /'ɔksәlil/ 📖 中文释义 草酰, 乙二酰 📘 English Definition(英文释义) n. A hydrocarbon radical (C2O2) regarded as a residue ofoxalic acid and occurring in derivatives of it.n. An old name for carbonyl.n. An old name for carboxyl. ← oxaluric amide oxalyl chloride →