intermediate trait

in·ter·me·di·ate trait

a measurable trait in which there is some evidence of the operation of a simple major cause, but in which the variation within the putative categories is such as to cause overlap and hence ambiguity in classification of any particular reading.

in·ter·me·di·ate trait

(in'tĕr-mē'dē-ăt trāt) A measurable trait in which there is some evidence of the operation of a simple major cause, but in which the variation within the putative categories is such as to cause overlap and hence ambiguity in classification of any particular reading.