reflectional
reflectional — adjective
- reflectionalpositive
- more reflectionalcomparative
- most reflectionalsuperlative
1. describes a shape, pattern, or property that involves, shows, or results from th
describes a shape, pattern, or property that involves, shows, or results from the way light, sound, or heat bounces off a surface, or from the mirroring of a figure across a straight line — for example, a pattern that can be folded in half so both sides match exactly, or a surface that sends back light rather than letting it pass through.
The butterfly's wings showed perfect reflectional symmetry when viewed from above.
collocation: reflectional symmetry
Architects often use reflectional patterns when designing the façades of large public buildings.
The new coating gave the windscreen a high reflectional quality, keeping the car cooler inside.
Dr. Okafor explained that a square has four lines of reflectional symmetry, but a circle has infinitely many.
The telescope mirrors use reflectional properties to capture light from distant stars.
- symmetrical
broader term — includes rotational and translational symmetry, not just mirroring
- reflective
more general; also describes thoughtful behaviour, not just physical reflection
- specular
highly technical, used mainly in optics for mirror-like surfaces
- asymmetrical
lacking any form of symmetry, including mirror symmetry
- non-reflective
describes a surface that absorbs rather than bounces back light
文法句型
reflectional + noun
用法筆記
Primarily used in technical contexts such as geometry, physics, and materials science. In everyday language, 'symmetrical' or 'reflective' is more common than 'reflectional'.