quword 趣词
Word Origins Dictionary
- tomography (n.)




- 1935, from comb. form of Greek tomos "slice, section" (see tome) + -graphy.
- computerized tomography




- "= computed tomography; abbreviated CT", 1970s; earliest use found in The Lancet.
- orthopantomography




- "A modification of pantomography in which the X-ray beam is kept perpendicular to the jaws, producing a flat image of both jaws and their teeth", 1950s. From ortho- + pantomography. Compare orthopantomogram, orthopantomograph.
- pantomography




- "A form of tomography for obtaining radiographs of a curved surface, specifically of the teeth and jaws, by rotation of the body and film during exposure", 1950s. From pan- + tomography. Compare pantomographic.
- orthopantomograph




- "A trademark for: an instrument for performing orthopantomography", 1950s. From ortho- + pantomograph. Compare orthopantomogram, orthopantomography.