an Odometer measures hodós:
wikipedia: The word derives from the Greek words hodós ("path" or "gateway") and métron ("measure").
In countries where Imperial units or US customary units are used, it is sometimes called a mileometer or milometer, or,
colloquially, a tripometer.
Tim Gruene wrote:
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> Yes, but you need to know the 'geo' has to do with earth, so geometers
> measure the earth to make maps, odo, I believe has to do with smell,
> and kilometer is hyphenated kilo-meter, no kil-ometer, so the origin
> of that word is nothing to do with 'ometer'. Remembering stuff from
> your school days help a great deal understanding the world around you ;-)
>
> Best,
> Tim
>
> On 06/20/2013 01:14 AM, Gerard DVD Kleywegt wrote:
>> Wait, so a geometer measures ges, an odometer measures ods, and a
>> kilometer measures kils?
>>
>> --dvd
>>
>>
>> On Thu, 20 Jun 2013, Tim Gruene wrote:
>>
>> Dear Ed,
>>
>> to me, an '-ometer' is a device that measures whatever you put in
>> front of the 'o', so in case of a diffractometer that's a device
>> that measures diffraction.
>>
>> Best, Tim
>>
>> On 06/19/2013 08:11 PM, Edward A. Berry wrote:
>>>>> Somewhere I got the idea that a diffractometer is an
>>>>> instrument that measures one reflection at a time. Is that
>>>>> the case, and if so what is the term for instruments like
>>>>> rotation camera, weisenberg, area detector? (What is an area
>>>>> detector?).
>>>>>
>>>>> Logically I guess a diffractometer could be anything that
>>>>> measures diffraction, and that seems to be view of the
>>>>> wikipedia article of that name. eab
>>>>>
>>
>>>
>>
>>
>> Best wishes,
>>
>> --Gerard
>>
>> ******************************************************************
>> Gerard J. Kleywegt
>>
>> http://xray.bmc.uu.se/gerard mailto:[log in to unmask]
>> ******************************************************************
>> The opinions in this message are fictional. Any similarity to
>> actual opinions, living or dead, is purely coincidental.
>> ******************************************************************
>> Little known gastromathematical curiosity: let "z" be the radius
>> and "a" the thickness of a pizza. Then the volume of that pizza is
>> equal to pi*z*z*a !
>> ******************************************************************
>>
>
> - --
> Dr Tim Gruene
> Institut fuer anorganische Chemie
> Tammannstr. 4
> D-37077 Goettingen
>
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