subtopic

noun sub·top·ic \ ˈsəb-ˌtä-pik \
variants: or sub-topic

Definition of subtopic

plural subtopics or sub-topics
: a topic that is part of a broader or more general topic
  • … each topic branches off into subtopics. For example, within the Asia area you may find separate discussion threads about Vietnam, Thailand, Malaysia and Bali.
  • —John Eckhouse

First Known Use of subtopic

1817

in the meaning defined above

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SUBTOPIC Defined for Kids

subtopic

noun sub·top·ic \ ˈsəb-ˌtä-pik \

Definition of subtopic for Students

: a topic (as in a composition) that is a division of a main topic

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