dextral

Thân thiện

A child uses a dextral pair of scissors to cut out a paper shape.

Definition

1. Adjective:
   • Preferring to use the right foot, hand, or eye: Describes an individual or organism that naturally favors or is more skilled with their right side.
   • Of or on the right side: Pertaining to, located on, or oriented toward the right.

Usage Examples

• Adjective:
  • Most humans are dextral, writing and eating with their right hand.
  • The dextral gastropod's shell spirals clockwise when viewed from the apex.
  • In the experiment, the dextral participants performed the task faster with their right hand.

Advanced Usage

• In Biology/Zoology: Used to describe the coiling direction of shells (e.g., snails) or the anatomical orientation of certain organisms.
  • A dextral flatfish, like many flounders, has both eyes on its right side when lying on the seafloor.
• In Geology: Describes the horizontal component of slip in a strike-slip fault where the opposite block moves to the right.
  • The San Andreas Fault has sections that are dextral, with the far side moving to the right relative to an observer.

Variants and Related Words

• Dextrality (n): The condition of being right-handed or right-side dominant.
  • The study measured the degree of dextrality in the population.
• Dextrally (adv): In a dextral manner; toward or on the right.
  • The shell coils dextrally.

Synonyms

• Right-handed: (Commonly used for humans; more specific to hand preference).
• Right-sided: (More general, indicating location).

Antonyms

• Sinistral: Preferring the left side or located on the left.

Học thuật

Adjective

1. preferring to use right foot or hand or eye
   • dextral individuals exhibit dominance of the right hand and eye
2. of or on the right
   • a dextral gastropod shell with the apex upward has its opening on the right when facing the observer
   • a dextral flatfish lies with the right eye uppermost