isotype [ahy-suh-tahyp] Word Origin noun
- 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.
- a statistical graph, chart, diagram, etc., that employs such symbols.
- Biology. any of two or more separate populations of the same or a similar type.
- Immunology. any antigenic determinant that is common to all individuals in a species.
Origin of isotype First recorded in 1880–85; iso- + type isotype in Medicine isotype [ī′sə-tīp′] n.
- An antigenic marker that occurs in all members of a subclass of an immunoglobulin class.
Related formsi′so•typ′ic (-tĭp′ĭk) adj.