aftermarket
noun
af·ter·mar·ket ˈaf-tər-ˌmär-kət 
plural aftermarkets
1
: the market for parts and accessories used in the repair or enhancement of a product (such as an automobile)
2
: a secondary market (see market entry 1 sense 4c(1)) available after sales in the original market are finished
a movie in the DVD aftermarket
3
: the market for a stock following its initial public offering when its shares can be freely traded among investors
Example Sentences
Recent Examples on the Web Milito’s replaces them with aftermarket devices whenever possible. 
Robert Channick, Chicago Tribune, 31 Aug. 2022 Ducati has thought of everything with the DesertX, and offers it with a massive array of aftermarket extras via its accessory catalog. Peter Jackson, Robb Report, 30 Aug. 2022 The car company’s stock climbed nearly 6% in aftermarket trading Wednesday, after the earning report’s release. Nora Eckert, WSJ, 27 July 2022 All of those parts would be made to a variety of aftermarket quality levels and would each come with their own additional maintenance requirements. Wes Siler, Outside Online, 11 Aug. 2022 BBB Industries manufactures starters, alternators, hydraulic and air disc brake calipers, hydraulic and electronic power steering products, and turbochargers for the passenger, industrial, and commercial vehicle aftermarket industries. William Thornton | Wthornton@al.com, al, 28 July 2022 However, the business of retrospective tuning is changing since Dieselgate, says Litchfield, and this may well impact aftermarket feature hacks too. Wired, 26 July 2022 U-Haul tends to install the simpler, aftermarket hitches. Ray Magliozzi, San Diego Union-Tribune, 24 July 2022 Granted, there are countless aftermarket options, and Ford Performance sells a Warn winch kit for $3500. Eric Stafford, Car and Driver, 28 June 2022 See More
Robert Channick, Chicago Tribune, 31 Aug. 2022 Ducati has thought of everything with the DesertX, and offers it with a massive array of aftermarket extras via its accessory catalog. Peter Jackson, Robb Report, 30 Aug. 2022 The car company’s stock climbed nearly 6% in aftermarket trading Wednesday, after the earning report’s release. Nora Eckert, WSJ, 27 July 2022 All of those parts would be made to a variety of aftermarket quality levels and would each come with their own additional maintenance requirements. Wes Siler, Outside Online, 11 Aug. 2022 BBB Industries manufactures starters, alternators, hydraulic and air disc brake calipers, hydraulic and electronic power steering products, and turbochargers for the passenger, industrial, and commercial vehicle aftermarket industries. William Thornton | Wthornton@al.com, al, 28 July 2022 However, the business of retrospective tuning is changing since Dieselgate, says Litchfield, and this may well impact aftermarket feature hacks too. Wired, 26 July 2022 U-Haul tends to install the simpler, aftermarket hitches. Ray Magliozzi, San Diego Union-Tribune, 24 July 2022 Granted, there are countless aftermarket options, and Ford Performance sells a Warn winch kit for $3500. Eric Stafford, Car and Driver, 28 June 2022 See More Word History
Etymology
after- + market entry 1
First Known Use
1887, in the meaning defined at sense 3