We found one dictionary that defines the word small-angle approximation:

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1. Small-angle approximation: Wikipedia, the Free Encyclopedia

▸ Words similar to small-angle approximation ▸ Usage examples for small-angle approximation ▸ Idioms related to small-angle approximation ▸ Wikipedia articles (New!) ▸ Words that often appear near small-angle approximation ▸ Rhymes of small-angle approximation ▸ Invented words related to small-angle approximation