lentiform

/len'tikjulə/ Cách viết khác : (lenticulated) /len'tikjuleitid/ (lentiform) /'lentifɔ:m/

Thân thiện

A lentiform lens focuses light in an optical device.

Definition

1. Adjective:
   • Convex on both sides; shaped like a lentil: Describes an object or structure that bulges outward on both surfaces, similar to the shape of a lentil seed or a biconvex lens.

Usage Examples

• Adjective:
  • The geologist found a lentiform crystal in the rock formation.
  • The MRI scan revealed a small, lentiform mass in the brain's basal ganglia.
  • Some ancient coins have a lentiform cross-section, thicker in the center and thinner at the edges.

Advanced Usage

• Scientific and Medical Contexts: The term is highly specialized and is most commonly used in fields like anatomy, geology, optics, and botany to describe precise shapes.
  • The lentiform nucleus is a critical structure in the brain.
  • The mineral exhibited a characteristic lentiform habit.

Variants and Related Words

• Lenticular (adj): Often used interchangeably with "lentiform," meaning having the shape of a double-convex lens. More common in technical contexts.
  • The artist created a lenticular print that changed images when viewed from different angles.
• Biconvex (adj): A more general geometric term meaning convex on both sides.
  • A simple magnifying glass typically has a biconvex lens.

Synonyms

• Lens-shaped
• Biconvex
• Lenticular

Antonyms

• Concave
• Planar (flat)

Notes on Usage

• Formality: "Lentiform" is a formal, technical term. In everyday language, descriptive phrases like "shaped like a lens" or "lens-shaped" are more common.
• Specificity: It precisely denotes a double-convex shape, not just any oval or rounded form. The comparison to a lentil seed is key to its definition.

Học thuật

Adjective

1. convex on both sides; shaped like a lentil

Từ đồng nghĩa

• biconvex
• convexo-convex
• lenticular