different between proteinaceous vs spongin

English

protein +? -aceous

proteinaceous (comparative more proteinaceous, superlative most proteinaceous)

Of, pertaining to, or consisting of protein
- 2018 May 16, Adam Rogers, Wired, "The Fundamental Nihilism of Yanny vs. Laurel":
  A few types of molecules get sensed by receptors on the tongue. Protons coming off of acids ping receptors for "sour." Sugars get received as "sweet." Bitter, salty, and the proteinaceous flavor umami all set off their own neural cascades.

sponge +? -in

spongin (plural spongins)

A horny, sulfur-containing protein, related to keratin, that forms the skeletal structure of certain classes of sponges. A proteinaceous compound of which the spicules in Demospongiae are composed.

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