List of 18-letter words beginning with

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There are 21 eighteen-letter words beginning with PROTO

protoanthophyllite  protocatechuic␣acid  protochlorophilide  protocoligorically  protoconversations  protocycloceratids  protodeboronations  protodesilylations  Proto-Indo-Europeans  protomicrocotylids  protomitochondrial  protomitochondrion  protomyofibroblast  protoplanetary␣disc  protoplanetary␣disk  protoplanetesimals  protoporphyrinogen  protopsychological  protopsychologists  Proto-South␣Sulawesi  prototype␣extension

21 definitions found

• protoanthophyllite — n. (Mineralogy) An orthorhombic-dipyramidal mineral containing…
• protocatechuic␣acid — n. (Organic chemistry) The phenolic carboxylic acid 3,4-dihydroxybenzoic…
• protochlorophilide — n. Misspelling of protochlorophyllide.
• protocoligorically — adv. (Humorous) In line with protocol.
• protoconversations — n. Plural of protoconversation.
• protocycloceratids — n. Plural of protocycloceratid.
• protodeboronations — n. Plural of protodeboronation.
• protodesilylations — n. Plural of protodesilylation.
• Proto-Indo-Europeans — n. Plural of Proto-Indo-European.
• protomicrocotylids — n. Plural of protomicrocotylid.
• protomitochondrial — adj. Relating to a protomitochondrion.
• protomitochondrion — n. (Biology) The ancestral bacterial endosymbiont from which all…
• protomyofibroblast — n. A structure that develops into a myofibroblast.
• protoplanetary␣disc — n. (Astronomy) Alternative form of protoplanetary disk.
• protoplanetary␣disk — n. (Astronomy) A rotating disk of dense gas and dust surrounding…
• protoplanetesimals — n. Plural of protoplanetesimal.
• protoporphyrinogen — n. (Biochemistry) Any of several precursors in the biosynthesis…
• protopsychological — adj. Being or relating to an earlier form of what is now known as psychology.
• protopsychologists — n. Plural of protopsychologist.
• Proto-South␣Sulawesi — prop.n. A proposed common ancestor to the group of South Sulawesi languages.
• prototype␣extension — n. (Computing, rare) An extension, enrichment or continuation…

See this list for:

• Scrabble in English: no word
• French Wiktionary: 7 words
• Spanish Wiktionary: no word
• Italian Wiktionary: no word
• German Wiktionary: 2 words
• Portuguese Wiktionary: no word
• Dutch Wiktionary: 2 words

Recommended websites

• Visit www.BestWordList.com - to create word lists for scrabble.
• Visit www.BestWordClub.com - to play scrabble duplicate online.

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