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Subject:  Re: A rarity Date:  10/2/2012  1:40 AM
Author:  warrl Number:  12632 of 14846


It's "rarify" as far as I know -- as in rarified gases, etc.

Half right... another case where English makes SO much sense.

The active verb is "rarefy". The passive verb is "rarify".

In other words, you rarefy the gas to produce a rarified gas.
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