INFLEXION OF LIGHT
\ɪnflˈɛkʃən ɒv lˈa͡ɪt], \ɪnflˈɛkʃən ɒv lˈaɪt], \ɪ_n_f_l_ˈɛ_k_ʃ_ə_n ɒ_v l_ˈaɪ_t]\
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The change in direction which rays of light seem to experience in passing near the edge of an opaque body. See Diffraction of light. A Point of I. of a curve is one at which the branches on either side of it are bent in opposite directions, and at which the tangent cuts the curve.
By Henry Percy Smith
Word of the day
dust storm
- a windstorm that lifts up clouds of dust or sand a windstorm that lifts up clouds dust or sand; "it was the kind of duster not experienced in years"