| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. A certain class of surfaces of the fourth degree.[Websters]. | |
| Top | ||
| Expressions | Definition | ||
| Anallagmatic surfaces | A certain class of surfaces of the fourth degree. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||