se·​quen·​tial | \si-ˈkwen(t)-shəl \

Definition of sequential 

1 : of, relating to, or arranged in a sequence : serial sequential file systems

2 : following in sequence

3 : relating to or based on a method of testing a statistical hypothesis that involves examination of a sequence of samples for each of which the decision is made to accept or reject the hypothesis or to continue sampling

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Other Words from sequential

sequentially \ si-​ˈkwen(t)-​sh(ə-​)lē \ adverb

Did You Know?

Things in sequence, or regular order, are arranged sequentially. Most novels and films move sequentially, but some use techniques such as flashbacks that interrupt the movement forward in time. Sequential courses in college must follow each other in the proper order, just like sequential tasks or steps.

Examples of sequential in a Sentence

Put the cards in sequential order. explained that if the two required algebra semesters weren't sequential, the students would likely forget the material

Recent Examples on the Web

Can’t wait to be queen Other species exhibit a type of hermaphroditism that is sequential, rather than simultaneous. Katherine J. Wu, Smithsonian, "Alternatives to Heterosexual Pairings, Brought to You By Non-Human Animals," 28 June 2018 That way the cooks can plot out sequential, not simultaneous, prep. Karen Stabiner, WSJ, "How to Cook Smarter by Cooking Smaller," 19 Apr. 2018 This content, which the curriculum divides into six periods, is typically covered over the course of two sequential college classes. Alia Wong, The Atlantic, "The Controversy Over Just How Much History AP World History Should Cover," 13 June 2018 Ranked-choice and sequential pairwise aren’t even the weirdest possibilities out there. Adam Rogers, WIRED, "Elections Don’t Work at All. You Can Blame the Math," 6 June 2018 Even physical assessment texts are sometimes accompanied by sequential images. Mk Czerwiec, STAT, "Getting graphic in medicine: using comics to tell health stories," 26 Apr. 2018 The Ultra II is a little bit slower with sequential write speeds of up to 525 megabytes per second, compared to 530MB/s with the Ultra 3D. That’s not such a big difference, but the gap between read speeds are more noticeable. Ian Paul, PCWorld, "You can get a 1TB SanDisk Ultra II SSD for $200 using this code," 16 May 2018 Call them comic books, graphic novels or sequential art--whatever the name, the form has matured over 25 years into the Modern Age of Comic Books, with more publishers and a bigger fan base than ever. Allen Pierleoni, sacbee, "This 'marvel' of a show is free | The Sacramento Bee," 4 May 2018 And metadata associated with some of the emails suggests that Broidy’s private documents were being rifled by a team of at least two dozen people with sequential user profiles, indicating a robust organizational structure behind the theft., "Elliott Broidy and the GOP’s Bad Hacking Karma," 4 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sequential.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sequential

1844, in the meaning defined at sense 1

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Last Updated

18 Sep 2018

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The first known use of sequential was in 1844

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English Language Learners Definition of sequential

: of, relating to, or arranged in a particular order or sequence

: happening in a series or sequence


se·​quen·​tial | \si-ˈkwen-chəl\

Medical Definition of sequential 

1 : occurring as a sequela of disease or injury

2 : of, relating to, forming, or taken or administered in a sequence sequential chemotherapy

Other Words from sequential

sequential noun

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Comments on sequential

What made you want to look up sequential? Please tell us where you read or heard it (including the quote, if possible).


to express warning or disapproval

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