出典:Wiktionary
topicity (countable かつ uncountable, 複数形 topicities)
出典:Wikipedia
出典:『Wikipedia』 (2010/10/22 10:39 UTC 版)
In chemistry, topicity is the stereochemical relationship of substituents relative to the structure to which they are attached. Depending on the relationship, such groups can be heterotopic, homotopic, enantiotopic, or diastereotopic.