plural of second-class value

(programming, languages) An entity of which the value can be passed as a parameter, but that can neither be returned from a function, nor be assigned to a variable. (Used by Raphael Finkel, the first-class object does not need to have run-time constructability according to his definition.)

plural of second-storey man

(historical) The French empire ruled by Napoleon III from 1852 to 1870.

plural of second moment of inertia

plural of second moment of area

A blood relative who shares roughly a quarter of a person's DNA, such as a grandparent, aunt, uncle, half-sibling, grandchild, niece, or nephew.

plural of second-degree relative

An SI derived unit for measuring speed or velocity.

plural of metre per second