permethylatedadj.

Brit.

/pəˈmɛθᵻleɪtᵻd/, U.S.

/pərˈmɛθəˌleɪdᵻd/

Origin: Formed within English, by derivation. Etymons: per- prefix, methylated adj.

Etymology: < per- prefix + methylated adj.

Chemistry.

Having undergone methylation to the maximum extent; having the maximum number of methyl substituents.

ΚΠ

1937 Jrnl. Amer. Chem. Soc. 59 1955/2 Two methylations were sufficient to obtain the permethylated product.

1971 New Phytologist 70 242 More recently the separation of permethylated derivatives..of carbohydrates has been reported.

1998 Chem. in Brit. Sept. 95/2 The new HP-Chiral B capillary, which uses a stationary phase based on permethylated beta-cyclodextran, resolves optical isomers.

This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	permethylated
释义	permethylatedadj. Brit. /pəˈmɛθᵻleɪtᵻd/, U.S. /pərˈmɛθəˌleɪdᵻd/ Origin: Formed within English, by derivation. Etymons: per- prefix, methylated adj. Etymology: < per- prefix + methylated adj. Chemistry. Having undergone methylation to the maximum extent; having the maximum number of methyl substituents. ΚΠ 1937 Jrnl. Amer. Chem. Soc. 59 1955/2 Two methylations were sufficient to obtain the permethylated product. 1971 New Phytologist 70 242 More recently the separation of permethylated derivatives..of carbohydrates has been reported. 1998 Chem. in Brit. Sept. 95/2 The new HP-Chiral B capillary, which uses a stationary phase based on permethylated beta-cyclodextran, resolves optical isomers. This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022). < adj.1937
随便看	θ133313 θ133314 θ133315 θ133316 θ133317 θ133319 θ13332 θ133320 θ133321 θ133322 θ133323 θ133324 θ133325 θ133326 θ133327 θ133328 θ133329 θ13333 θ133330 θ133331 θ133332 θ133333 θ133334 θ133335 θ133336