the size of the observable universe
scientists often work with phenomena that are not directly observable
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Scientists say these designs could expand the observable volume of the universe by a factor of 50 — a leap comparable to going from hearing whispers in the next room to conversations across the entire city.—Sharmila Kuthunur, Space.com, 29 Apr. 2025 Your symptoms are sometimes not observable during an office visit; this information will help provide an accurate diagnosis.4
Treatments for Bradykinesia
Treatment for bradykinesia focuses on minimizing symptoms.—Janelle McSwiggin, Msn, Health, 15 Mar. 2025 By defining passion based on observable actions and outcomes, rather than emotional expressiveness, companies can create a more level playing field.
ForbesWomen: Get the ForbesWomen newsletter, and supercharge your mission with success stories, tips and more.—Lindsay Kohler, Forbes.com, 22 Apr. 2025 For context, that is large enough to fit over 94,000 Milky Way galaxies placed side by side along the Great Wall's longest side, which stretches out for around 10% of the total width of the entire observable universe.—Robert Lea, Space.com, 20 Apr. 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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