| Dictionary | Name | Region | Valid |
|---|---|---|---|
| Offcl. Scrabble Pl. Dict. & Offcl. Scrabble Words | SOWPODS | International / UK / Australia | YES |
| NASPA Word List 2020 | NWL2020 | USA / Canada / Thailand | NO |
| NASPA Word List 2018 | NWL2018 | USA / Canada / Thailand | NO |
| Tournament Word List 2016 | TWL16 | USA / Canada / Thailand | NO |
| Tournament Word List 2014 | TWL14 | USA / Canada / Thailand | NO |
| Tournament Word List 2006 | TWL06 | USA / Canada / Thailand | NO |
| Tournament Word List 1998 | TWL98 | USA / Canada / Thailand | NO |
| Collins Scrabble Words 2019 | CSW19 | International / UK / Australia | YES |
| Collins Scrabble Words 2015 | CSW15 | International / UK / Australia | YES |
| Collins Scrabble Words 2012 | CSW12 | International / UK / Australia | YES |
| Collins Scrabble Words 2007 | CSW07 | International / UK / Australia | YES |
| Offcl. Scrabble Players Dictionary | OSPD4 | USA / Canada / Thailand | NO |
| Australian Primary Schools | OWL2 | Australia | NO |
| Australian Primary Schools | OWL1 | Australia | NO |
| Words With Friends 2000 | ENABLE2K | Worldwide | NO |
| Words With Friends 1997 (retired) | ENABLE1 | Worldwide | NO |
| Letterpress | Letterpress | Worldwide | YES |
| Yet Another Word List | YAWL | Worldwide | YES |
| Show more | |||
22
D2I1P3L1E1I1D2O1S1C3O1P3E1S1
Noun |
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| dipleidoscope - An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's centre is on the meridian. |