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There are 18 words beginning with PROTON

PROTON	• proton n. (Physics) A positively charged subatomic particle forming part of the nucleus of an atom and determining… • proton n. (Obsolete, anatomy) Synonym of primordium. • PROTON n. a subatomic particle.
PROTONS	• protons n. Plural of proton. • PROTON n. a subatomic particle.
PROTONIC	• protonic adj. Of, pertaining to, or composed of protons. • PROTONIC adj. relating to a proton.
PROTONATE	• protonate v. (Chemistry, transitive) To add one or more protons to (a molecule, ion or radical). • protonate v. (Chemistry, intransitive) To acquire an additional proton. • PROTONATE v. to acquire an additional proton.
PROTONEMA	• protonema n. (Botany) A filament of cells that forms following the germination of the spores of mosses and liverworts. • PROTONEMA n. a branched filament produced by germination of a moss spore, giving rise to moss plants from buds.
PROTONATED	• protonated v. Simple past tense and past participle of protonate. • PROTONATE v. to acquire an additional proton.
PROTONATES	• protonates v. Third-person singular simple present indicative form of protonate. • PROTONATE v. to acquire an additional proton.
PROTONEMAL	• protonemal adj. Relating to protonemata. • PROTONEMAL adj. of or like a protonema, the primary growth from the spore of a moss, also PROTONEMATAL.
PROTONATING	• protonating v. Present participle of protonate. • PROTONATE v. to acquire an additional proton.
PROTONATION	• protonation n. (Chemistry) The addition of a proton (hydrogen ion) to an atom, molecule or ion, normally to generate a cation. • PROTONATION n. the acquisition of an additional proton.
PROTONEMATA	• protonemata n. Plural of protonema. • PROTONEMA n. a branched filament produced by germination of a moss spore, giving rise to moss plants from buds.
PROTONOTARY	• protonotary n. Alternative spelling of prothonotary. • PROTONOTARY n. a court clerk; a chief clerk of any of various courts of law, also PROTHONOTARY.
PROTONATIONS	• protonations n. Plural of protonation. • PROTONATION n. the acquisition of an additional proton.
PROTONEMATAL	• protonematal adj. Relating to protonemata. • PROTONEMATAL adj. of or like a protonema, the primary growth from the spore of a moss, also PROTONEMAL.
PROTONOTARIAL	• PROTONOTARIAL adj. of or like a protonotary, a principle law clerk in certain courts of law.
PROTONOTARIAT	• PROTONOTARIAT n. the college constituted by the twelve apostolical prothonotaries (bishops and senior members of the curia) in Rome, also PROTHONOTARIAT.
PROTONOTARIES	• protonotaries n. Plural of protonotary. • PROTONOTARY n. a court clerk; a chief clerk of any of various courts of law, also PROTHONOTARY.
PROTONOTARIATS	• PROTONOTARIAT n. the college constituted by the twelve apostolical prothonotaries (bishops and senior members of the curia) in Rome, also PROTHONOTARIAT.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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English Wiktionary: 76 words
Scrabble in French: 8 words
Scrabble in Spanish: 8 words
Scrabble in Italian: 17 words
Scrabble in German: 3 words
Scrabble in Romanian: 31 words

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