involute

An adjective describing something that is intricate, complex, or curled inward; now largely obsolete in common usage.

• 🇷🇺Прилагательное, описывающее что-то запутанное, сложное или закрученное внутрь; в настоящее время в значительной степени устаревшее в общеупотребительном языке.

1. Rolled inward (botany) C2 formal scientific

   Describes petals or leaves in bud that have their margins rolled inward toward the upper surface.

   • The involute leaves of the rose are tightly curled in the bud.
   • Botanists noted the involute margins of the young fern fronds.
   • Involute petals are common in many species of the Rosaceae family.

   🇷🇺Завёрнутый внутрь (ботаника)

   Synonyms: incurved

2. Closely coiled (malacology) C2 formal scientific

   Describes the shell of some mollusks, such as certain gastropods, where the whorls are tightly coiled, often obscuring the central axis.

   • The shell of the nautilus is an example of an involute structure.
   • Involute shells are often found in fossilized cephalopods.
   • The tightly coiled, involute form of the shell makes it difficult to see the spire.

   🇷🇺Плотно скрученный (малакология)

   Antonyms: uncoiled

• more involute comparative form
• most involute superlative form