A suffix meaning "drawn, written," specialized in meaning to indicate the instrument rather than the written product of the instrument.
A suffix, from Gk. -graphos "(something) drawn or written, one who draws or writes," from graphein "to draw, write."
A suffix from the stem of negârdan, negâštan "to paint, write," → graph.
An adjective relating to → -graph.
A combining form denoting a process or form of drawing, writing, representing, recording, describing, etc., or an art or science concerned with such a process. Examples: geography; orthography; → photography; → radiography; → selenography; → tomography.
The study of the surface features of Mars; the geography of Mars.
Areography, from Gk. Ares "Mars" + → -graphy.
Bahrâm-negâri, from Bahrâm "Mars" + -negâri→ -graphy.
A photographic instrument with great light gathering power which is used to photograph a large field in a single exposure.
axtar-šidnegâri, šidnegâri-ye axtari
The photography of stars, other celestial bodies, and stellar fields.
A very accurate instrument that measures, indicates, or graphically records time intervals such as the duration of an event.
Chronograph, from Gk. khronos "time" + → -graph.
Gâhnegâr, from gâh "time" + negâr, → -graph.
Fr.: graphe complet
Fr.: graphe connecté
In → =graph theory, a graph if for every pair of distinct vertices there is a path.
hurtâjnegâr (#), tâjnegâr (#)
An instrument which, when used in a telescope, produces an artificial eclipse, permitting the study of the → solar corona without a total eclipse of the Sun. It was invented in 1930 by the French astronomer Bernard Lyot (1897-1952).
binâbnegâr bâ pâšeâš-e chalipaayi, ~ ~ ~ xâji
Fr.: spectrographe à dispersion croisée
A spectrograph that utilizes cross dispersion.
The science of forms, properties, and structure of crystals.
Fr.: graphe orienté
Fr.: tomographie Doppler
A technique using a series of Doppler-shifted line profiles at different orbital phases in cataclysmic variable stars (CVs) to image the compact system in the light of a particular emission line. Although developed for CVs, the method has wider applications. An alternative method is → eclipse mapping.
binâbnegâr-e narde-yi (#)
Fr.: spectrographe à échelle
A spectrograph that uses an echelle grating to disperse the light.
Fr.: graphe vide
Of or pertaining to → geography.
geographic coordinate system
râžmân-e hamârâhâ-ye zaminnegârik
Fr.: système de coordonnées géographiques
Fr.: latitude géographique