monocyclic

[mon-uh-sahy-klik, -sik-lik] /ˌmɒn əˈsaɪ klɪk, -ˈsɪk lɪk/
adjective
1.
having one cycle.
2.
Botany. arranged in a single whorl, as the parts of certain flowers.
3.
Chemistry. of or pertaining to a molecular structure containing one ring.
Origin
1880-85; mono- + cyclic
Related forms
monocycly, noun
British Dictionary definitions for monocyclic

monocyclic

/ˌmɒnəʊˈsaɪklɪk/
adjective
1.
Also mononuclear. (of a chemical compound) containing only one ring of atoms
2.
(of sepals, petals, or stamens) arranged in a single whorl
3.
(of a plant) having a life cycle that is completed in one year
monocyclic in Science
monocyclic
  (mŏn'ə-sī'klĭk, -sĭk'lĭk)   
  1. Having a single cycle, as of activity or development.

  2. Having a single whorl, as certain flowers and the shells of certain invertebrates.

  3. Having a molecular structure with only one ring. Benzene and toluene are monocyclic molecules.