| Answer | Crossword Clue |
|---|---|
| stereocard | a card on which a pair of stereoscopic pictures are mounted |
| stereocards | STEREOCARD, a card on which a pair of stereoscopic pictures are mounted |
| thaumatropical | of or like a thaumatrope, an optical toy in which pictures on both sides of a card are seen to combine when the card is rotated rapidly |
| thaumatrope | an optical toy in which pictures on both sides of a card are seen to combine when the card is rotated rapidly |
| thaumatropes | THAUMATROPE, an optical toy in which pictures on both sides of a card are seen to combine when the card is rotated rapidly |
