acuminate

/ə'kju:minit/

Thân thiện

The leaf has an acuminate tip.

Definition

1. Adjective:

   • Narrowing to a slender, sharp point: Used primarily in botany and biology to describe a shape, such as a leaf or a body part, that tapers gradually to a fine, sharp tip.

2. Verb:

   • To make sharp or pointed; to taper: The action of causing something to become sharp or to come to a point.

Usage Examples

• Adjective:

  • The plant is easily identified by its acuminate leaves.
  • The insect has an acuminate abdomen.

• Verb:

  • The craftsman used a file to acuminate the tip of the metal rod.
  • Over millennia, the forces of erosion have acuminated the mountain peak.

Advanced Usage

• Technical/Scientific Context: The term is most commonly used in formal, scientific descriptions, particularly in botany, zoology, and geology.
  • The species description noted the acuminate sepals.
• Figurative Use (Rare): Occasionally used metaphorically to describe something that becomes increasingly focused or sharp.
  • Her questions grew more acuminate as the debate progressed.

Variants and Related Words

• Acumination (n): The process of becoming acuminate or the state of being acuminate.
  • The acumination of the crystal structure was remarkable.
• Acuminous (adj): An alternative, though less common, adjective form with the same meaning.
  • He described the shape as acuminous.

Synonyms

• Adjective: Tapering, pointed, sharp-pointed, cuspidate.
• Verb: Sharpen, point, taper, whet.

Antonyms

• Adjective: Obtuse, rounded, blunt, truncate.
• Verb: Blunt, flatten, round.

Học thuật

Adjective

1. (of a leaf shape) narrowing to a slender point

Verb

1. make sharp or acute; taper; make (something) come to a point