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There are 9 fifteen-letter words beginning with ORTHO
| ORTHOCHROMATISM | • orthochromatism n. Quality of being orthochromatic. • ORTHOCHROMATISM n. the state of being orthochromatic, of photographic film, sensitive to all colours except red. |
| ORTHODONTICALLY | • orthodontically adv. By orthodontic means. • ORTHODONTIC adv. relating to orthodontics, the rectification of crookedness in the teeth. |
| ORTHOGONALISING | • orthogonalising v. Present participle of orthogonalise. • ORTHOGONALISE v. to make orthogonal, also ORTHOGONALIZE. |
| ORTHOGONALITIES | • orthogonalities n. Plural of orthogonality. • ORTHOGONALITY n. the state of being orthogonal. |
| ORTHOGONALIZING | • orthogonalizing v. Present participle of orthogonalize. • ORTHOGONALIZE v. to make orthogonal, also ORTHOGONALISE. |
| ORTHOPAEDICALLY | • orthopaedically adv. Alternative form of orthopedically. • orthopædically adv. Obsolete typography of orthopaedically. • ORTHOPAEDIC adv. relating to orthopaedics, also ORTHOPAEDICAL, ORTHOPEDIC. |
| ORTHOPHOSPHATES | • orthophosphates n. Plural of orthophosphate. • ORTHOPHOSPHATE n. a salt or ester of orthophosphoric acid. |
| ORTHOPHOSPHORIC | • orthophosphoric adj. (Chemistry) Describing the ordinary form of phosphoric acid and its derivatives. • ORTHOPHOSPHORIC adj. phosphoric. |
| ORTHOPSYCHIATRY | • orthopsychiatry n. (Psychiatry) branch of psychiatry concerned with the prevention of mental illness, especially in the young. • ORTHOPSYCHIATRY n. preventive psychiatry for young people. |
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 WikWik.org and 1Word.ws.
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See this list for:
- English Wiktionary: 71 words
- Scrabble in French: 14 words
- Scrabble in Spanish: no word
- Scrabble in Italian: no word
- Scrabble in German: no word
- Scrabble in Romanian: no word
Recommended websites
- Visit WikWik.org - to search for words and build lists from Wiktionary's words.
- www.BestWordList.com to create personalized word lists.
- www.BestWordClub.com to play duplicate online scrabble.
- 1word.ws to play with words, anagrams, suffixes, prefixes, etc.
- Ortograf.ws to look for words.
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