macrocyclic

Adjective

macrocyclic (comparative more macrocyclic, superlative most macrocyclic)

1. Of an organic compound: having a closed ring of more than about twelve atoms.
2. Of or relating to a macrocycle.
3. Pertaining to a rust fungus whose life cycle includes all five spore stages: pycniospore (spermatium), aeciospore, urediniospore, teliospore, and basidiospore.
   • Almost all the rusts occurring on the ferns are both heteroecious and macrocyclic; so also are most of those occurring on the conifers.1965, C. G. Ainsworth, Frederick K[roeber] Sparrow, Alfred S. Sussman, editors, The Fungi: An Advanced Treatise, volume IVB (A Taxonomic Review with Keys: Basidomycetes and Lower Fungi), New York...