diffract

IPA/dɪˈfrækt/
KK[dɪfrˈækt]IPA/dɪˈfrækt/

diffract — verb

  • diffractpresent simple I / you / we / they
  • diffractshe / she / it
  • diffractedpast simple
  • diffracting-ing form

1. to make waves of light or sound spread out and bend as they pass the edge of an

1.動詞及物 / 不及物C2
釋義

to make waves of light or sound spread out and bend as they pass the edge of an object or move through a narrow gap

例句

The narrow slit diffracted the laser beam into a row of bright dots.

transitive: [slit/grating] diffracts [a light beam]

Light from the street lamp diffracted around the edges of the curtain.

intransitive: light diffracts around an edge

同義詞
  • scatter

    more general — to send waves or particles off in many directions, not specifically at an edge or slit

  • disperse

    to spread light into its separate colours, often by a prism rather than by an edge

文法句型

diffract + [light/sound]

[waves] + diffract

用法筆記

Used both transitively (a slit diffracts light) and intransitively (light diffracts); the subject or object is almost always a wave — light, sound, X-rays, or water — not an ordinary solid object.

常見錯誤

❌The glass prism diffracts the sunlight into colours.
✅The glass prism refracts the sunlight into colours.
💡'refract' is bending caused by passing through a material like glass or water; 'diffract' is bending around an edge or through a narrow gap.