biconcave

/bai'kɔnkeiv/

Thân thiện

A red blood cell has a biconcave shape.

Definition

1. Adjective:
   • Concave on both sides: Having a surface that curves inward on both sides, like a lens that is thinner in the middle than at the edges.

Usage

• The word biconcave is a technical adjective, primarily used in scientific contexts like optics, biology, and medicine. It describes the specific shape of an object.
• It is typically used attributively (before a noun) to modify the noun it describes.

Examples

• Adjective:
  • Red blood cells have a distinctive biconcave disc shape.
  • A biconcave lens causes light rays to diverge.

Advanced Usage

• "Biconcavity" (noun): The state or quality of being biconcave.
  • The biconcavity of the lens is crucial for its optical function.

Variants and Related Words

• Concave (adj): Curved inward like the interior of a circle or sphere. (This is the root concept for one side).
• Plano-concave (adj): Flat on one side and concave on the other.
• Convex (adj): Curved outward. (This is the opposite shape).

Synonyms

• Concavo-concave: A less common synonym with the same meaning.

Antonyms

• Biconvex (adj): Convex on both sides.
• Convex (adj): Curved outward.

Học thuật

Adjective

1. concave on both sides

Từ đồng nghĩa

• concavo-concave