| |||
perennial | |||
persistent; perennating; non-seasonal |
perenne : 25 phrases in 8 subjects |
Agriculture | 13 |
Climatology | 1 |
Earth sciences | 1 |
Economy | 1 |
Environment | 1 |
Life sciences | 1 |
Natural resourses and wildlife conservation | 3 |
Natural sciences | 4 |