outermost

[ ou-ter-mohstor, especially British, -muhst ]

adjective

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

   the outermost limits.

outermost

/ ˈaʊtəˌməʊst /

adjective

1. furthest from the centre or middle; outmost

Word History and Origins

Origin of outermost¹

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

Example Sentences

The difference between the speed of the fast and slow solar wind is thought to be due to the different areas of the Sun's corona, the outermost layer of its atmosphere, that they originate from.

From Science Daily

In a paper appearing in Nature, researchers at MIT, the University of Edinburgh, and elsewhere find that the sun's magnetic field could arise from instabilities within the sun's outermost layers.

From Science Daily

There, in the outermost layer of the brain, 20 billion neurons process countless sensory perceptions, plan actions, and form the basis of our consciousness.

From Science Daily

If you’re propping your smartphone up against a telescope or binoculars, it’s essential a solar filter is put on the outermost lens of the latter.

From Los Angeles Times

People using binoculars, camera lenses and telescopes need to mount proper solar filters on the outermost lenses receiving light, filtering the powerful rays before they enter the device.

From Los Angeles Times