dextrorse

/deks'trɔ:s/

Thân thiện

The vine's dextrorse tendrils curl around the wooden trellis.

Definition

1. Adjective:
   • Spiraling upward from left to right: Describes a helical growth pattern, typically of a plant part like a stem or tendril, that twists or climbs in a clockwise direction when viewed from the point of attachment or from below. This is a specific botanical term.

Usage and Examples

• Adjective:
  • The botanist identified the plant by its dextrorse tendrils.
  • Unlike the morning glory, which is dextrorse, the hop vine is sinistrorse, spiraling to the left.

Advanced Usage

• Technical Botanical Context: The term is almost exclusively used in scientific descriptions of plant morphology to describe the direction of twining, climbing, or coiling.
  • The distinction between dextrorse and sinistrorse growth is important for plant identification.

Variants and Related Words

• Dextrorse is the standard adjective form. A less common variant is dextrorsal.
• Dextrorotation (n): In chemistry and physics, this refers to the property of rotating plane-polarized light to the right (clockwise). While related in its "rightward" meaning, it is a different scientific term.
• Sinistrorse (adj): The direct antonym, meaning spiraling upward from right to left (counter-clockwise).

Synonyms

• Right-handed: In a general, non-scientific context, this can describe a spiral turning to the right. However, dextrorse is the precise technical term in botany.
• Clockwise-twining: A descriptive phrase for the same growth pattern.

Antonyms

• Sinistrorse: Spiraling upward from right to left (counter-clockwise).
• Left-handed: The general antonym in a non-technical context.

Học thuật

Adjective

1. spiraling upward from left to right
   • dextrorse vines

Từ đồng nghĩa

• dextrorsal