Rex
Rex noun - A male sovereign; ruler of a kingdom.
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Synonyms for Rex
Slide rule and rex are semantically related. In some cases you can use "Slide rule" instead a noun "Rex".
Slide rule
Slide rule noun - Analog computer consisting of a handheld instrument used for rapid calculations; have been replaced by pocket calculators.
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Synonyms for Slide rule
Rex and slide rule are semantically related. Sometimes you can use "Rex" instead a noun phrase "Slide rule".
Mutual synonyms
Cite this Source
Slide rule and Rex. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/rex/slide_rule
Rex & Slide rule. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/rex/slide_rule>.
Slide rule or Rex. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/rex/slide_rule.
Google Ngram Viewer shows how "rex" and "slide rule" have occurred on timeline