Harden

(redirected from harden off)
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Harden

1. To secure a computer system to make it more likely to withstand an attack from a hacker.

2. See: Hard asset.
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* Harden off aubergines, courgettes, marrows, peppers, pumpkins and tomatoes grown from seed before planting outside.
ADRIENNE SAYS: Chrysanthemums need to be kept in a cool, frost-free place so that the plants harden off ready for planting out in late May.
HARDEN off polyanthus before putting them out when the weather turns milder.
And don't believe for a moment global warming means there is no need to harden off young vegetables and annuals before planting out.
Begin to harden off bedding plants, checking weather forecast and protecting plants if frost is forecast.
Harden off aubergines, courgettes, marrows, peppers and tomatoes grown from seed before planting outside.