In the context of a ring, "f.d." typically stands for "finitely generated." A finitely generated ring is one that can be generated by a finite set of elements, meaning that every element of the ring can be expressed as a combination of these generators using the ring's operations. This concept is important in algebraic structures, particularly in module theory and commutative algebra.
The marking "fd 925" on a ring typically indicates that the ring is made of sterling silver. "925" is a common marking for sterling silver, indicating that the metal is 92.5% pure silver, with the remaining 7.5% typically being another metal such as copper. The "fd" may be a maker's mark or a specific identifier for the manufacturer or designer of the ring.
what does fd stan d for
Oh, dude, the FD mark on a ring stands for "Freakin' Diamond," obviously! Just kidding, it actually stands for "Finnish Design," indicating that the ring was made in Finland. So, like, if you're ever in a Finnish jewelry store and see that FD mark, you'll know what's up.
fd
$141000
FC=Fuel Cell FR=Fire Retardant FD=Final Destination
In silver jewelry marked 925 FD, the "925" indicates that the piece is made of sterling silver, which is 92.5% pure silver. The "FD" likely refers to the manufacturer or designer of the jewelry. It is common for jewelry makers to include their initials or a unique identifier on their pieces for authenticity and branding purposes.
FD on a gold and diamond ring stands for "Fleur-de-Lis Diamond," indicating the quality and origin of the diamond. It's a fancy way of saying that the diamond is of high quality and has a unique cut. So, if you see FD on a ring, just know that you've got yourself a fancy little sparkler.
First Downs ex. Joe Shmo 13 FD
Fatal Dose
functional design specification
The "10K" stamp on your gold ring indicates that it is made of 10 karat gold, meaning it is 41.7% pure gold. The "F" stamp likely stands for the manufacturer or the jeweler who made the ring. It is common for jewelers to include their initials or a logo on jewelry pieces to signify their brand or mark of authenticity.