Double strike or double struck may refer to:

• A double struck coin, which occurs when a coin is struck twice in the minting process.
• Double striking, or typing a character over itself on a typewriter as a way to make it darker (or by accident).
• Blackboard bold, whose characters are sometimes called double-struck, a typeface style imitating the chalk writing used for mathematical symbols such as ${\displaystyle \mathbb {N} ,}$ ${\displaystyle \mathbb {Z} ,}$ ${\displaystyle \mathbb {Q} ,}$ and ${\displaystyle \mathbb {R} ,}$ which can be approximated on a typewriter by double striking the letters with a horizontal offset.
• 2023 Hollywood labor disputes, nicknamed the "Hollywood double strike" after the actors' guild declared a labor strike in July of that year, joining the writers' guilds who had gone on strike in May.
• Double Strike, a 1989 video game developed and published in Taiwan by Sachen.
• In bowling, strikes on two consecutive rolls.

Look up doublestrike in Wiktionary, the free dictionary.

• Double stroke, in drumming, a rudiment consisting of alternating diddles of indeterminate speed and length

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