Minute (?) 2
Minute (?) 2 :
A historic unit of proportion equal to 1/60. The Romans lacked our flexible terminology for fractions; they followed Babylonian and Greek practice in visualizing quantities as being divided into 60 parts, so they could express fractions consistently in 60ths. A 60th part was called a pars minuta prima ("first small part") of the whole. For smaller fractions, a 60th part was divided into 60 smaller parts, each called a pars minuta secunda ("second small part"). The minuta prima has come down to us as "minute," the minuta secunda is our "second," and the prima leads to the traditional symbol ? being called a "prime."
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