| 1. | to whiten by removing color; bleach: Workers were blanching linen in the sun. |
| 2. | Cookery.
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| 3. | Horticulture. (of the stems or leaves of plants, as celery or lettuce) to whiten or prevent from becoming green by excluding light. |
| 4. | Metallurgy.
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| 5. | to make pale, as with sickness or fear: The long illness had blanched her cheeks of their natural color. |
| 6. | to become white; turn pale: The very thought of going made him blanch. |