[θɪˈmatɪk], (Adjective)

Definitions:
- having or relating to subjects or a particular subject
(e.g: the book is organized into nine thematic chapters)

- relating to or denoting the theme of a sentence
(e.g: some languages use special affixes to mark thematic and non-thematic elements)


Phrases:

Origin:
late 17th century: from Greek thematikos, from thema (see theme)

[θɪˈmatɪk], (Noun)

Definitions:
- a body of topics for study or discussion
(e.g: I soon gave up trying to prime him with the thematics of the piece)

- a postage stamp forming part of a set with designs connected with the same subject


Phrases:

Origin:
late 17th century: from Greek thematikos, from thema (see theme)