or topical sentence
- a sentence that expresses the essential idea of a paragraph or larger section, usually appearing at the beginning.
Origin of topic sentence
First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for topic sentence
In these cases the topic-sentence follows the transition, and it may come as late as the middle of the paragraph.
Below are four paragraphs, from different forms of discourse, all having the topic-sentence at the beginning.
In isolated paragraphs, paragraphs that are indeed compositions in miniature, the topic-sentence is the first sentence.
In exposition and argument, and sometimes in the other forms of discourse, the topic-sentence may be at the end of the paragraph.
In narration and in a short paragraph of description this paragraph of details is frequently without a topic-sentence.
- a sentence in a paragraph that expresses the main idea or point of the whole paragraph
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The main sentence in a paragraph, often the first sentence. It briefly conveys the essential idea of the paragraph.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.