outermost

American  

[ou-ter-mohst, -muhst] / ˈaʊ tərˌmoʊst, -məst /

adjective

1. farthest out; remotest from the interior or center.

   the outermost limits.

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outermost British  

/ ˈaʊtəˌməʊst /

adjective

1. furthest from the centre or middle; outmost

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Etymology

Origin of outermost

Middle English word dating back to 1350–1400; outer, -most

Example Sentences

That’s when the star goes supernova, which we can detect as soon as the bounced off material breaks through the star's outermost layer — we call this the shock breakout.

From Space Scoop

The two outermost moons, Ganymede and Callisto, are composed of about 50% water ice but likely contain rocky cores rich in elements such as carbon or silicon.

From Science Daily

Unlike the water that falls from clouds on Earth, solar rain takes place in the Sun's corona, the outermost layer made of intensely hot plasma.

From Science Daily

This region is essential for communication between brain networks but is also vulnerable to reduced blood flow from distal arteries, which carry blood from the heart to the outermost parts of the body.

From Science Daily

BCC begins with abnormal growth of basal cells, which produce new skin cells when old ones die, on the outermost layer of the skin.

From Salon