We found one dictionary that defines the word secular perturbations:

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1. secular perturbations: Encyclopedia

▸ Words similar to secular perturbations ▸ Usage examples for secular perturbations ▸ Idioms related to secular perturbations ▸ Wikipedia articles (New!) ▸ Words that often appear near secular perturbations ▸ Rhymes of secular perturbations ▸ Invented words related to secular perturbations