Necking can refer to: *

Making out Making out is a term of American English, American origin dating back to at least 1949, and is used to refer to kissing, including extended French kissing or ''necking'' (heavy kissing of the neck, and above), or to acts of non-penetrative s ...

, a term for heavy kissing of the neck or petting of that area *

Necking (engineering) In engineering and materials science, necking is a mode of tensile Deformation (engineering), deformation where relatively large amounts of Deformation (mechanics), strain localize disproportionately in a small region of the material. The result ...

, the process by which a ductile material deforms under tension forming a thin ''neck'' *

Necking (electronics) A teardrop is typically drop-shaped feature on a printed circuit board and can be found on the junction of vias or contact pads. Purpose The main purpose of teardrops is to enhance structural integrity in presence of thermal or mechanical ...

, thinning of traces in PCB layouts * Necking, a behavior of giraffes * Necking up or necking down, methods of modifying a firearm cartridge to make a

wildcat cartridge A wildcat cartridge, often shortened to wildcat, is a custom-made cartridge (weaponry), cartridge for which ammunition and/or firearms are not mass-produced. These cartridges are often created as experimental variants to optimize a certain ballis ...

or a new production cartridge (e.g. the US .60 caliber T17 round being shortened and necked up to create the 20×102 mm

M61 Vulcan The M61 Vulcan is a Hydraulic machinery, hydraulically, electrically, or pneumatics, pneumatically driven, six-Gun barrel, barrel, air-cooled, electrically fired Gatling gun, Gatling-style rotary cannon which fires 20 mm caliber, rounds at an e ...

cannon cartridge)

See also