acyclic

• Qualifie une structure ou un processus qui ne forme pas de cycle ; utilisé principalement en chimie et en mathématiques.

Describes a structure or process that does not form a cycle; used primarily in chemistry and mathematics.

1. Not cyclic (botany)C2formalscientific

   Having parts arranged in spirals rather than whorls, as in certain flowers.

   acyclique (botanique)

   • The acyclic arrangement of petals is common in some primitive plants.
   • Botanists studied the acyclic floral structure of the magnolia.
   • Unlike cyclic flowers, acyclic ones have spirally arranged organs.

   Synonymeshelicalspiral

2. Open chain structure (chemistry)C2formalscientific

   Describing a chemical compound with a molecular structure that does not form a ring, but has an open chain of atoms.

   acyclique (chimie)

   • Acyclic hydrocarbons are also known as aliphatic compounds.
   • The acyclic molecule has a linear arrangement of carbon atoms.
   • In organic chemistry, acyclic compounds are contrasted with cyclic ones.

   Synonymesnoncyclicopen-chain

   Antonymescyclic