biconvex

/bai'kɔnveks/

Thân thiện

A simple magnifying glass has a biconvex lens.

Definition

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

Usage Examples

• Adjective:
  • A biconvex lens is used to focus light. (A lens that is convex on both sides is used to focus light.)
  • The crystal had a distinctive biconvex shape. (The crystal had a distinctive shape that was curved outward on both surfaces.)

Advanced Usage

• Scientific/Technical Context: The term is primarily used in optics, physics, and biology to describe the curvature of lenses, cells, or other structures.
  • Red blood cells in humans have a biconvex disc shape. (Human red blood cells are shaped like discs that are convex on both sides.)

Variants and Related Words

• Plano-convex (adj): Convex on one side and flat on the other.
• Concave (adj): Curved inward like the interior of a circle or sphere. (This is the opposite curvature to convex.)
• Lenticular (adj): Relating to or shaped like a lens or lentil. (This is a close synonym in shape description.)

Synonyms

• Lenticular: Lens-shaped.
• Convexo-convex: A less common technical term meaning convex on both sides.

Antonyms

• Biconcave: Concave on both sides; curved inward on both surfaces.
• Plano-concave: Concave on one side and flat on the other.

Học thuật

Adjective

1. convex on both sides; shaped like a lentil

Từ đồng nghĩa

• convexo-convex
• lenticular
• lentiform