The marking of the skin, usually in red, white, or black wheals (ridges on the flesh).
Referring to welts on the skin.
A tendency to readily show dermographia or red, white, or black welts on the skin.
A description of the ligaments of the body.
A duplicate written or printed passage.
1. A mechanical instrument used for producing scale copies of diagrams and maps.
2. A device for drawing, used in reproducing outlines, plans, etc.; mechanically on any desired scale.
1. An instrument used for drawing mechanically projections of objects, enlarged copies of maps, etc.; it consists of a pencil governed by cords and pulleys, and guided by the application of a pointer to the object to be copied.
2. A combined protractor and scale used in plotting.
3. A combination of two letters to express a simple sound.
Transillumination of the breast, with photography of the transilluminated light on infrared-sensitive film.
digital plethysmograph (s) (noun)
, digital plethysmographs (pl)
An instrument for measuring changes in volume resulting from fluctuations in the amount of blood that is applied to a digit (finger or toe) of the hand or foot in order to measure skin blood flow.
Two successive letters; especially, two letters used to represent a single sound; such as, "sh" in shoe.
A group of two letters expressing a simple sound of speech.
diplograph (s) (noun)
, diplographs (pl)
Double writing, or writing two lines of text at the same time, as when producing embossed writing for the blind and ordinary writing at the same time: Sam was quite excited when he saw a diplograph in a museum, which he found out was a Swiss writing-apparatus that looked quite clumsy.
Radiographic demonstration of the intervertebral disk by means of injection of a radio-opague water-soluble substance directly into the disk.
The shape and integrity of the nucleus pulposus and anulus fibrosis may be evaluated.
dittograph (s) (noun)
, dittographs (pl)
1. A passage containing accidentally reduplicated syllables, letters, etc.: "Although the secretary had a terrible headache that day, her boss made her type up the letter he had dictated to her earlier. After reading it again, she found many dittographs which appeared throughout the last paragraph which had to be corrected."
2. A letter or word that is repeated unintentionally in writing or when copying written contents: "While Mary was reading through her thesis, she found some mistakes, including dittographs which somehow reappeared on every page!"
Related "writing" word units: