outermost

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adjective out·er·most \ ˈau̇-tər-ˌmōst \

Definition of outermost

:farthest out

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Examples of outermost in a Sentence

The arrow hit the outermost ring on the target.
the outermost planet in our solar system

Recent Examples of outermost from the Web

Around 10:15 a.m. Pacific Time, the moon completely blotted out the sun overhead in Madras, Oregon, leaving just the sun’s corona — its outermost layer — glowing like neon embroidery around a black orb.

— jen kirby, Daily Intelligencer, "The Solar Eclipse Is Here," 21 Aug. 2017
One of the outermost layers is a few hundred kilometers wide, according to NASA, and is made up of plasma.

— doris elin salazar staff writer, Fox News, "Celestial sound waves reveal surprising solar changes," 13 July 2017
That's nearly as scorching as the outermost layers of the sun.

— john wenz, Popular Mechanics, "Say Hello to the Hottest Exoplanet Ever Seen," 5 June 2017
Day will turn to night and nothing but the outermost part of the sun's atmosphere, called the corona, will be left shimmering in the sky.

— cassie shortsleeve, Condé Nast Traveler, "See This Summer’s Solar Eclipse on Royal Caribbean’s New Cruise," 2 June 2017
At its closest point, the probe will fly 3.9 million miles from the surface of the sun, in the outermost part of the corona, where the temperature is 2,500 degrees Fahrenheit.

— james steinbauer, chicagotribune.com, "NASA spacecraft will aim straight for sun," 31 May 2017
These individuals showed an increase in brain activity in the cortex, the outermost layer of the brain, which is involved in learning.

— anil ananthaswamy, Washington Post, "Learning to read and write alters brain wiring within months, even for adults," 28 May 2017
Astronomers have nailed down the path of TRAPPIST-1h, the outermost planet in the system, finding that this world takes just under 19 Earth days to complete one lap around its small, faint host star.

— mike wall, NBC News, "Alien Solar System Gives Up More Secrets," 24 May 2017
Rick devised a way of installing some Chamaecyparis trunks in the two outermost compartments.

— janet draper, Smithsonian, "How to Create an Insect Habitat in Your Garden," 25 Jan. 2017

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