A 70-year-old person is called a septuagenarian.
This term is derived from the Latin word "septuaginta," which means seventy. It specifically refers to someone in their seventies, ranging in age from 70 to 79 years old. The term is part of a series of age-related terms, each denoting a specific decade of life.
Here's a breakdown of terms for other age ranges:
| Age Range | Term | Latin Root |
|---|---|---|
| 20-29 | Vicenarian | Viginti (Twenty) |
| 30-39 | Tricenarian | Triginta (Thirty) |
| 40-49 | Quadragenarian | Quadraginta (Forty) |
| 50-59 | Quinquagenarian | Quinquaginta (Fifty) |
| 60-69 | Sexagenarian | Sexaginta (Sixty) |
| 70-79 | Septuagenarian | Septuaginta (Seventy) |
| 80-89 | Octogenarian | Octoginta (Eighty) |
| 90-99 | Nonagenarian | Nonaginta (Ninety) |
| 100-109 | Centenarian | Centum (Hundred) |
| 110+ | Supercentenarian |
Therefore, the correct and specific term for someone who is 70 years old is a septuagenarian.
