Definition of topic sentence in English:

topic sentence

Syllabification: top·ic sen·tence

noun

  • A sentence that expresses the main idea of the paragraph in which it occurs.
    More example sentences
    • We were to underline the thesis in the first paragraph and put brackets around the topic sentence of each body paragraph.
    • This logical pattern is deductive and is typically opened by a topic sentence in each paragraph (which are used to separate ideas), followed by supporting statements, helping to develop the main idea and to present related sub-topics.
    • Even when I write a scene for a novel, I sometimes subconsciously begin a paragraph with a topic sentence - a perfect metaphor for science, but nearly fatal for art.

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space