From HomoExcelsior

1. To set apart or cut off from others. 2. To place in quarantine. 3. To separate (a substance) out of a combined mixture. 4. To render free of external influence; insulate. 5. To separate (a pure strain) from a mixed bacterial or fungal culture. 6. Solitary; alone. 7. A bacterial or fungal strain that has been isolated.

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