-graph
suffix
Used to form nouns referring to devices or instruments that record, measure, or display something, as well as nouns for written or visual representations. Derived from Greek ‘graphḗ,’ meaning ‘writing’ or ‘drawing.’ Examples include ‘photograph’ (an image captured by a camera), ‘autograph’ (a person’s handwritten signature), and ‘telegraph’ (a system for transmitting messages).
Example Sentences
A photograph uses light-sensitive technology to capture an image on film or a digital sensor.
Scientists study seismic activity with a seismograph, which records ground movements during earthquakes.
The telegraph was revolutionary in the 19th century, enabling long-distance communication through coded signals.
Archaeologists sometimes rely on petroglyphs—ancient rock carvings—as a form of historical '-graph' documentation.
An autograph from a famous person can become a prized keepsake or collector’s item.
Cartographs, commonly called maps, depict geographical areas and help travelers navigate unfamiliar terrain.
Biologists rely on chromatographs to separate and analyze chemical substances, which aids in understanding complex mixtures and metabolic pathways.
Using a polygraph, sometimes called a ‘lie detector,’ examiners attempt to measure physiological changes in order to detect deception, although the method remains controversial and is not universally accepted.
Thesaurus
Synonyms
How to Use
A suffix meaning 'instrument for recording' or 'a written or graphical representation.'The suffix '-graph' is used in terms that refer to devices, tools, or methods used for recording or producing written or graphical representations. Examples include 'autograph' (a signature), 'photograph' (a picture recorded by light), and 'seismograph' (a device that records seismic activity). It is prevalent in scientific, artistic, and technical contexts to specify tools or outputs related to recording or representation.
Alternatives
Alternatives to '-graph' include descriptive phrases like 'device for recording' or 'representation of,' such as 'device for measuring earthquakes' instead of 'seismograph.'
Writing
In writing, '-graph' provides clarity and precision, particularly in scientific or technical descriptions. For instance, 'electrocardiograph' succinctly identifies a device for recording heart activity.
Casual Conversation
In casual conversation, '-graph' appears in familiar terms like 'photograph' or 'autograph.' These words are widely understood and easily integrated into everyday language.