the size of the observable universe
scientists often work with phenomena that are not directly observable
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Collectively, these changes affected virtually every major institution that shaped Americans’ daily lives—especially institutions that had offered, for generations, ways of understanding and navigating observable differences between human societies, cultures, and bodies.—Literary Hub, 9 June 2025 There’s also ample observable evidence that yawning is contagious.—Mack Degeurin, Popular Science, 5 June 2025 Muchacho Alegre, 2250 Jacksboro Highway, had a score of 19 and was closed because of observable roaches near the stove and issues with water temperature.—Lillie Davidson, Fort Worth Star-Telegram, 24 May 2025 This approach not only reduces risk but also builds confidence across the team through clear, observable progress.—Kunal Abichandani, Forbes.com, 21 May 2025 See All Example Sentences for observable
Word History
Etymology
borrowed from Middle French & Latin; Middle French, "that must or can be observed," borrowed from Latin observābilis "capable of being observed," from observāre "to give attention to, watch carefully, observe" + -bilis "capable (of acting) or worthy of (being acted upon)" — more at -able
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