nor-

morpheme

(organic chemistry) a compound derived from another by removal of a radical, especially by removal of methyl or methylene

Japanese Meaning

（有機化学において）他の化合物からラジカル、特にメチル基やメチレン基の除去によって誘導された化合物を示す接頭辞

The chemist isolated the nor- derivative of the alkaloid and confirmed the removal of a methyl group by NMR.

化学者はそのアルカロイドの脱メチル化誘導体を単離し、NMRでメチル基の除去を確認した。

Sense（1）

(organic chemistry) a compound derived from another by removal of a radical, especially by removal of methyl or methylene