Question

What is biology and apologise ​

Answer 1

1. To make an apology or defense.

2. To make an apology or excuse; to make acknowledgment of some fault or offense, with expression of regret for it, by way of amends; with for; as, my correspondent apologized for not answering my letter. To apologize for his insolent language. (Froude)

Origin: cf. F. Apologiser.

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Answer 2

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1. To make a defence.
2. To make an excuse.