re·fract /rɪˈfrækt/
(vt.)使折射,測定…的折射度
re·fract /rɪˈfrækt/ 及物動詞
使折射,驗光
Re·fract v. t. [imp. & p. p. Refracted; p. pr. & vb. n. Refracting.]
1. To bend sharply and abruptly back; to break off.
2. To break the natural course of, as rays of light orr heat, when passing from one transparent medium to another of different density; to cause to deviate from a direct course by an action distinct from reflection; as, a dense medium refrcts the rays of light as they pass into it from a rare medium.
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refract
v 1: subject to refraction; "refract a light beam"
2: determine the refracting power of (a lens)