plural of Backus-Naur form

plural of skin forming alloy

An alloy that has a narrow solidification range, usually less than 50 °C.

plural of second normal form

plural of third normal form

plural of well-formed formula

plural of well-formed formula

A type of shaped charge with a shallow depression instead of a deep cone on the attacking face, allowing the metal plate to be explosively formed into a high velocity projectile that can penetrate armour at stand-off distances, greater than that of the hypervelocity plasma from the deeply coned form of shaped charge munitions.

plural of row echelon form

plural of explosively formed penetrator