Of or relating to the endoatmosphere.

The lower atmosphere or atmosphere proper, which extends to around 100 kilometers above the Earth's surface.

plural of endogenous viral element

Viral DNA embedded within the genome of a non-virus organism which is left over from an ancestral infection which integrated viral DNA into the genomic heritage of the organism's ancestry.

Alternative form of underendowed.

Within the anus.

An aperture in the inner layer of the sporoderm of a pollen grain

plural of endoaperture

(ecology) benthic organisms that live buried or burrowing in the sediment, often in the oxygenated top layer

(grammar) Being or relating to a kind of verb where an action operates in or on the subject, similar to the middle voice.