macrocyclic

English

Etymology

From macro- +‎ cyclic.

Adjective

macrocyclic (not comparable)

1. (chemistry) Of an organic compound: having a closed ring of more than about twelve atoms.
2. (chemistry) Of or relating to a macrocycle.
3. (mycology) Pertaining to a rust fungus whose life cycle includes all five spore stages: pycniospore (spermatium), aeciospore, urediniospore, teliospore, and basidiospore.
   • 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, N.Y., London: Academic Press, →ISBN, page 259:

     Almost all the rusts occurring on the ferns are both heteroecious and macrocyclic; so also are most of those occurring on the conifers.

Derived terms

• macrocyclic compound