| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. An alternative spelling for "Age , and Silurian ": The whole duration of a being, whether animal, vegetable, or other kind; lifetime.[Websters]. | |
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| Expressions | Definition | ||
| Age of invertebrates | See Age , and Silurian . Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||