subtopicn.
/sʌbˈtɒpɪk/, U.S. /ˌsəbˈtɑpɪk/ A topic which forms part of a larger subject or discussion; a secondary or subordinate topic.
ΘΚΠ
the mind > mental capacity > perception or cognition > faculty of ideation > topic, subject-matter > materials of topic > [noun] > minor
by-question1603
subtopic1817
sub-theme1880
1817 J. Bentham Plan Parl. Reform p. cxxxv Sub-topics proposed to be brought to view under this head. Opposite of freedom of suffrage [etc.].
1897 O. J. Nave Topical Bible 4 Under the subtopic, Instances of, are grouped all the illustrative facts that occur in the Scriptures relating to each subject.
1938 Amer. Home Oct. 98/2 It can be treated as a whole rather generally, or broken into several sub-topics.
1963 Speculum 38 568 The argument that coercive force is inherent in the corporate community is a mere sub-topic under the heading that law should be observed.
1992 Harrowsmith Aug. 65/3 Nails were an entire subtopic of hammering lore.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1817