-graphy(redirected from -ogram)
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1. Writing or representation produced in a specified manner or by a specified process: photography.
a. Writing about a specified subject: oceanography.
b. Representation of a specified object: phonography.
n combining form
1. indicating a form or process of writing, representing, etc: calligraphy; photography.
2. indicating an art or descriptive science: choreography; oceanography.
[via Latin from Greek -graphia, from graphein to write]
a combining form used in the names of processes or forms of writing, printing, representing, recording, or describing, or in the names of an art or science concerned with such processes: biography; choreography; geography.
n suf → -grafie f