sinistrorsal

/,sinis'trɔ:səl/ Cách viết khác : (sinistrorse) /'sinistrɔ:s/

Thân thiện

The vine exhibits a sinistrorsal growth pattern around the wooden post.

Definition

1. Adjective:
   • Spiraling upward from right to left: Describes a direction of growth, twist, or spiral that moves in a leftward or counterclockwise direction when viewed from the point of origin. This term is primarily used in botany and geometry.

Usage

• The term sinistrorsal is a technical adjective. It is most commonly used in scientific descriptions, particularly in botany to describe the coiling direction of climbing plants, or in geometry to describe the handedness of a spiral.
• It is often used interchangeably with its variant sinistrorse.

Examples

• Adjective:
  • The botanist noted the plant's sinistrorsal tendrils, which coiled against the typical direction.
  • In this species, the shell exhibits a sinistrorsal spiral, which is quite rare.

Advanced Usage

• "Sinistrorsal curve": In mathematics, a curve that spirals or twists to the left.
  • The equation describes a sinistrorsal curve on the plane.

Variants and Related Words

• Sinistrorse (adj): An exact synonym, meaning spiraling leftward. This is the more common variant.
  • Most honeysuckles are sinistrorse climbers.

Synonyms

• Left-handed: (In a technical context) Having a counterclockwise or leftward spiral.
• Levorotatory: (Specifically in chemistry for optics; context differs but shares the "left" root meaning).

Antonyms

• Dextrorse (adj): Spiraling upward from left to right; right-handed.
• Dextrorsal (adj): Spiraling rightward.

Học thuật

Adjective

1. spiraling upward from right to left
   • sinistrorse vines

Từ đồng nghĩa

• sinistrorse