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English-Thai Dictionary

diffraction

N การ กระจาย ออก ของ ลำแสง หรือ เสียง เมื่อ ผ่าน สิ่ง ที่ กีดขวาง  เช่น  เลนส์  dispersion scattering separation kan-kra-jai-o0k-kong-lam-saeng-rue-siang-muea-pan-sing-ti-kid-kwang-chen-len

 

Webster's 1913 Dictionary

DIFFRACTION

Dif *frac "tion, n. Etym: [Cf. F. diffraction. ] (Opt. )

 

Defn: The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars.Remarked by Grimaldi (1665 ), and referred by him to a property of light which he called diffraction. Whewell. Diffraction grating. (Optics ) See under Grating. -- Diffraction spectrum. (Optics ) See under Spectrum.

 

New American Oxford Dictionary

diffraction

dif frac tion |diˈfrakSHən dəˈfrækʃən | ▶noun the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced.

 

diffraction grating

dif frac tion grat ing ▶noun a plate of glass or metal ruled with very close parallel lines, producing a spectrum by diffraction and interference of light.

 

Oxford Dictionary

diffraction

dif |frac ¦tion |dɪˈfrakʃn | ▶noun [ mass noun ] the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced.

 

diffraction grating

dif |frac ¦tion grat ¦ing ▶noun a plate of glass or metal ruled with very close parallel lines, producing a spectrum by diffraction and interference of light.

 

Sanseido Wisdom Dictionary

diffraction

dif fr á c tion 名詞 U 〘物理 〙(光線 音波などの )回折 .