Definition of subgrouping in English:

subgrouping

noun

  • 1The action, process, or system of dividing or classifying into subgroups.

  • 2A subsidiary grouping or subgroup.

Origin

Mid 19th century; earliest use found in Erasmus Wilson (1809–1884), dermatologist and philanthropist. From sub- + grouping.

Pronunciation

subgrouping

/ˈsʌbɡruːpɪŋ/