biconvex
/bai'kɔnveks/
Definition
- 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.
Adjective
-
convex on both sides; shaped like a lentil
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