n. [ Gr.&unr_; path + graph. ] (Math.) A curve described by the moving extremity of a line the other end of which is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; -used in investigations respecting central forces. [ 1913 Webster ]
n. [ L. holographus entirely autograph, Gr. "olo`grafos; "o`los whole + gra`fein to write: cf. F. holographe, olographe. ] 1. A document, as a letter, deed, or will, wholly in the handwriting of the person from whom it proceeds and whose act it purports to be. [ 1913 Webster ]
(n) the branch of optics that deals with the use of coherent light from a laser in order to make a hologram that can then be used to create a three-dimensional image
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ L. holographus entirely autograph, Gr. "olo`grafos; "o`los whole + gra`fein to write: cf. F. holographe, olographe. ] 1. A document, as a letter, deed, or will, wholly in the handwriting of the person from whom it proceeds and whose act it purports to be. [ 1913 Webster ]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
