grapho-, graph-, -graph, -graphy, -grapher, -graphia

(Greek: to scratch; to write, to record, to draw, to describe; that which is written or described)

As indicated at the bottom of this page, there is a significantly large number of graphic word-entry groups in this unit. Such an extensive listing is provided to show how important the grapho- element is to the English language.

orthopantomography (s) (noun), orthopantomographies (pl)
A modification of X-rays that are made to be more nearly normal to the line of the jaws, so that a radiograph can be obtained showing all the teeth and adjacent tissue in a straight line.
orthoroentgenography
A technique for producing radiographs showing the exact sizes of organs or bones by using a narrow beam of x-rays perpendicular to the plate or film.
oryctograph
1. That part of natural history in which fossils are described.
2. A description of fossils.
oscillograph
1. In medicine, it is used for recording electrical activity of the brain, the heart, and other muscular tissues.

Electrocardiographs and electroencephalographs are examples of the application of this technique.

2. An instrument that registers the movements of an electric current and photographically records the variation.
3. A device for recording oscillations: especially, those of an electric current.
oscillographic
Of, relating to, or using an oscillograph.
oscillographical
oscillographous
1. The study of the records made by an oscillograph.
2. The use of oscillographs.
oscillography
The study of the records made by an oscillograph (an instrument that records oscillations, usually electrical).
osteography
Description of the bones; descriptive osteology.
otography
A written description of the ears.
ozograph
An apparatus that indicates the estimation of the quantity of ozone in the atmosphere.
ozography
A description about the presence or amount of ozone.
ozonography
Written description of the amount of atmospheric ozone.
palatograph
An instrument used in palatography or a technique for observing the position of the tongue in relation to the palate during articulation; especially, by placing powder or dye on the palate and then noting the area from which it has been removed by the contact of the tongue with the palate during the production of a speech sound.
palatography
1. The recording position of the tongue against the hard palate during speech.
2. The recording of the movements of the palate in speech.

Related "writing" word units: glypto-; gram-; scrib-, script-.