pericyclic
/ˌperɪˈsaɪklɪk/adjective
1
- Chemistry relating to or denoting a reaction that involves a concerted rearrangement of bonding in which all the bonds broken or formed in the reaction lie on a closed ring, whether or not a cyclic molecule is involved【化】周环反应的。
2
- Botany of or relating to a pericycle【植】中柱鞘的。