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There are 20 words beginning with PROTONE

protonema — n. (Botany) A filament of cells that forms following the germination…
protonemal — adj. Relating to protonemata.
protonemata — n. Plural of protonema.
protonematal — adj. Relating to protonemata.
protoneodioscin — n. A particular steroid glycoside.
protoneogracillin — n. A particular steroid glycoside.
protoneotokorin — n. A particular steroid glycoside.
protoneoyonogenin — n. A particular steroid glycoside.
protonephridia — n. Plural of protonephridium.
protonephridial — adj. Relating to a protonephridium.
protonephridium — n. (Anatomy) A type of nephridium composed of a network of flame…
protoneurid — n. (Zoology) Any damselfly in the family Protoneuridae.
protoneurids — n. Plural of protoneurid.
protoneuromast — n. (Cytology) A cell (or cluster of cells) that will develop into a neuromast.
protoneuromasts — n. Plural of protoneuromast.
protoneutron — phr. (Astronomy) Only used in protoneutron star.
protoneutron␣star — n. (Astronomy) A star which is cooling and contracting to become a neutron star.
proto-neutron␣star — n. (Stars) The degenerate core of a massive star, prior to its…
protoneutron␣stars — n. Plural of protoneutron star.
proto-neutron␣stars — n. Plural of proto-neutron star.

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