clas·​si·​fi·​er | \ ˈkla-sə-ˌfī(-ə)r How to pronounce classifier (audio) \

Definition of classifier

1 : one that classifies specifically : a machine for sorting out the constituents of a substance (such as ore)
2 : a word or morpheme used with numerals or with nouns designating countable or measurable objects

Examples of classifier in a Sentence

Recent Examples on the Web On the software end, each sensor includes a copy of UltraSense's input detection classifier algorithm, which can detect changes in acoustic properties that occur when your finger touches it. Courtney Linder, Popular Mechanics, "This New Tech Can Turn Any Surface Into a Touchscreen," 26 Dec. 2019 But since the Rohingya genocide, Facebook has built a hate-speech classifier in Burmese by pouring resources toward the project. Billy Perrigo, Time, "Facebook Says It’s Removing More Hate Speech Than Ever Before. But There’s a Catch," 26 Nov. 2019 Bedroom pop, a classifier often affixed to the work of young female upstarts, features a lo-fi scrappiness, suggesting origins outside professional recording studios. New York Times, "Film: Tender Mercies in LaBeouf’s ‘Honey Boy’," 1 Nov. 2019 The chip uses a simple form of machine learning called a naive Bayesian classifier. The Economist, "How to build a disposable microchip," 12 Sep. 2019 Blakeley Payne Another activity that explains algorithmic bias is the training of a cat-dog classifier. Jenny Anderson, Quartz, "MIT developed a course to teach tweens about the ethics of AI," 4 Sep. 2019 Students learn technical concepts—how to train a simple classifier—to the ethical implications those concepts entail, such as algorithmic bias. Jenny Anderson, Quartz, "MIT developed a course to teach tweens about the ethics of AI," 4 Sep. 2019 As scammers develop new methods to trick the AI … YouTube engineers will update the classifiers to overcome those tricks. Los Angeles Times, "YouTube will use spotty AI to keep targeted ads off videos for kids," 4 Sep. 2019 Plus, there’s a good chance that many of the singles putting their Myers-Briggs classifier in their app bios aren’t quite grasping what their personality type even means. Allie Volpe, Washington Post, "Four letters can say a lot: Why people put their Myers-Briggs personality types in their Tinder profiles," 15 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'classifier.' 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 classifier

1799, in the meaning defined at sense 1

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The first known use of classifier was in 1799

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Cite this Entry

“Classifier.” Dictionary, Merriam-Webster, Accessed 10 Aug. 2020.

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Rhyming Dictionary: Words that rhyme with classifier Encyclopedia article about classifier

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