gram-, -gram-, -gram, -grammatic, -grammatical, -grammatically, -gramme, -grammic +

(Greek: write, writing, something written, a written record, a recording; letters; words; later, a small weight, a unit of mass in the metric system)

A unit of weight in the metric system from 1797 gramme, borrowing of French gramme, from Late Latin gramma, "small weight"; from Greek gramma, "small weight"; originally, "something written"; from the stem of graphein, "to draw, to write".

—Compiled from information located in;
The Barnhart Dictionary of Etymology; Robert K. Barnhart, Editor;
The H.W. Wilson Company; New York; 1988; page 445.
stereogram
A diagram or picture which represents objects in such a way as to give the impression of relief or solidity.
sudogram
A graphic representation of the areas of the body on which sweating is present.
tachogram
1. A record in graph form produced by a tachograph.
2. In medicine, a graphic record of the movement and velocity of the blood current.
telecardiogram (s) (noun), telecardiograms (pl)
An electrocardiogram recorded at a distance from the subject being tested: The telecardiogram utilizes a galvanometer in the laboratory that is being connected by a wire with the patient in another room.
telegram
A message sent by telegraph; a telegraphic dispatch or communication; literally, “written from a distance”.
telelectrocardiogram
An electrocardiogram recorded at a distance from the subject being tested; for example, the electrocardiogram obtained through telemetry, or, as with a galvanometer in the laboratory, being connected by a wire with the patient in another room.
telethermogram
1. A thermograph that is electrically recorded at a distance.
2, A self-registering telethermometer.
tetragram
A word that has four letters.
tetragrammaton
A four-letter word; specifically, the Hebrew word written YHWH or JHVH, vocalized as YaHWeH or JeHoVaH; often signifying the Hebrew name for God which the Jews regarded as too holy to pronounce.
thermogram
1. A regional temperature map of the surface of a part of the body, obtained by an infrared sensing device; it measures radiant heat, and thus subcutaneous blood flow, if the environment is constant.
2. A photograph or image produced by infra-red radiation emanating naturally from the subject under study.
thetagram
A plot of the temperature as a function of pressure for a thermodynamic system.
tonogram
The record produced by tonography (the recording of changes in intraocular pressure due to sustained pressure on the eyebal) in order to determine the facility of aqueous outflow in the eyes.
trigram
An inscription of three letters.
tympanogram
The printout of an impedance bridge showing the stiffness or the compliance of the middle-ear structures as it varies with changes in pressure within the external ear canal.
typogram
A record from a machine that sets type or casts lines of type and sets them.

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