isotype

American  

[ahy-suh-tahyp] / ˈaɪ səˌtaɪp /

noun

1. a drawing, diagram, or other symbol that represents a specific quantity of or other fact about the thing depicted.

   Every isotype of a house on that chart represents a thousand new houses.

2. a statistical graph, chart, diagram, etc., that employs such symbols.

3. Biology. any of two or more separate populations of the same or a similar type.

4. Immunology. any antigenic determinant that is common to all individuals in a species.

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Etymology

Origin of isotype

First recorded in 1880–85; iso- + type