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Hi Ethan,

I am not a linguist of Greek or even of English but I would assume that 
the term "cryo-cooling" is advocated not by DRD but by the people who 
want to distinguish between cooling down to *cryogenic* temperatures and 
say, cooling from 25  C to 4 C.
Cheers,
N.

On 11/15/2012 12:45 PM, Ethan Merritt wrote:
> On Thursday, November 15, 2012 10:14:54 am Raji Edayathumangalam wrote:
>> Hi Sebastiano,
>>
>> Elspeth Garman howls bloody murder everytime someone says they "froze"
>> their crystals. I think her issue is with the description of the process of
>> successfully flashcooling crystals in the presence of cryoprotectants as
>> "freezing." Freezing technically is understood to imply the formation of
>> hexagonal ice
> Not according to common English usage or any of the dictionaries I
> looked in.
> E.g. American Heritage Dictionary:
>    Freeze 1.a. To pass from the liquid to the solid state by loss of heat.
>
> It needn't refer to water at all, although that is the most common context.
> You can find instructions for freezing olive oil to preserve it;
> when I lived in Madison one occassionally had to worry about frozen
> engine oil;  a headline from earlier this year claimed
> "Russian rivers clogged with frozen oil".
>
>> while what one really means is the successful solidification
>> of water in a random orientation (vitrification) and the prevention of the
>> hexagonal ice.
>>
>> Semantics semantics!
>>
>> I'd stick with flashcooled or something along those lines.
>> Raji
> Funny you should say that :-)
> While I have never had a referred complain about "frozen" crystals,
> I have had several complain that "flash cooling" is different from
> "immersing in liquid nitrogen".  I never figured out what they had
> in mind, but have since tried to avoid the term flash cooling.
>
> By the way, "cryo-cooled" must be a term advocated by
> The Department of Redundancy Department.
> "cryo" - From Greek kruos, icy cold
>
> 	Ethan
>

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Ruslan Sanishvili (Nukri)
Macromolecular Crystallographer
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