semiautomatic

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sem·i·au·to·mat·ic / ˌsemēˌôtəˈmatik; ˌsemˌī-/ • adj. partially automatic: a semiautomatic climate-control system. ∎  (of a firearm) having a mechanism for self-loading but not for continuous firing: semiautomatic rifles.• n. a semiautomatic firearm.

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