4 ms·
A minute is simply 1/1440 of a "day". Edit: >2 guys on a forum More than two guys. OED too.
by windows_tips 8y ago
A minute is simply 1/1440 of a "day".
Edit:
>2 guys on a forum
More than two guys. OED too.
- gh02t 8y agoThat depends on whether or not you define "day" as mean solar day or as 24 hours; either way you need some sort of ultimate reference in order actually define a meaningful unit. A more stable definition is as 60 SI seconds, since the second is defined relative to a very precise physical reference (level transitions in cesium). It is for a similar reason that the pound and yard were redefined in the 1960's as an exact multiple of the kilogram and meter, so as to be able to benefit from the exactness of physical definitions for those units (https://en.wikipedia.org/wiki/International_yard_and_pound https://en.wikipedia.org/wiki/International_yard_and_pound).
- close04 8y agoAnd as shown above OED deals so exceptionally well with all concepts... down to the second. Where it sends you to SI to get the proper definition. Can you show me what OED says for ultrapure? How about secret and top secret? Ultraspherical and hypergeometric? And don't forget the cleanroom. Try to put that "wit" into understanding that in highly specialized fields the terminology might get different meanings and none of it is wrong.
- perl4ever 8y agoWhat if there is a leap second on that day?
- close04 8y agoDepends, what does the OED say about leaping seconds? This may turn out to be just wrong. :D Anyway, I just realized that purest is also in the dictionary. So purest is good, ultrapure is bad... And if pure is 100% then purest is... 100er%?
- windows_tips 8y agowar is peace