- 子母弹 zǐmǔdàn cluster bombA military projectile containing multiple sub-munitions or pellets that scatter upon detonation, such as a cluster bomb, canister shot, or shrapnel shell.
- 子母扣 zǐmǔkòu snap fastenerA type of metal fastener consisting of a pair of interlocking parts, one with a protrusion and the other with a matching indentation.
- 子母钟 zǐmǔzhōng synchronized clock systema set of clocks that work together; the main clock sends signals to ensure all other clocks are running at the exact same time
- 子母船 zǐmǔchuán barge carrierA large vessel (mother ship) used to transport smaller boats or barges (sub-ships), typically equipped with cranes for cargo transshipment; a LASH ship
- 子母炮弹 zǐmǔpàodàn artillery cluster bombAn artillery shell or cartridge containing multiple smaller munitions; cluster bomb.
- 子母炸弹 zǐmǔzhàdàn cluster bomba bomb that opens in the air to release many smaller explosive bombs or submunitions
- 子母扣儿 zǐmǔkòur snap fastenerA type of metal button consisting of a male and female pair that snap together; snap; press stud
- 子母相权 zǐmǔxiāngquán monetary adjustmentAn ancient monetary theory regarding the circulation of coins, where light coins and heavy coins are weighed against each other to determine an exchange rate; also used more broadly to describe adjusting and balancing different currencies or resources.
- 子母印 zǐmǔyìn nested sealsa set of seals nested within one another, typically consisting of a smaller seal contained inside a larger hollowed-out seal
- 子母画面电视 zǐmǔhuàmiàndiànshì picture-in-picture TVa television set capable of displaying two channels at once with one window inset within another
