double-knit |
a fabric, usu. synthetic, knit on a machine with two sets of needles so that, as the two single-knit fabrics are produced, they are also woven together to form a double thickness. [2 definitions] |

double negative |
the use of two negative words in one sentence, considered substandard when intended to express a single negation. |

double-park |
to park (a vehicle) alongside another that is parked parallel to the curb. |

double play |
in baseball, a single play in which two players are put out. |

double pneumonia |
pneumonia that affects both lungs. |

double-quick |
very quick. [4 definitions] |

double-reed |
of, pertaining to, or designating any woodwind instrument that sounds by means of a pair of reeds that vibrate against each other. [2 definitions] |

double sharp |
a musical sign placed before a note, indicating that its pitch is to be raised by two semitones. |

doubles minus one |
in mathematics education, involving the addition of consecutive numbers by doubling the larger number and subtracting one. |

double-space |
to type leaving a blank line after each line of text or copy. |

doublespeak |
obscure or confusing language, esp. when intentionally used. |

doubles plus one |
in mathematics education, involving the addition of consecutive numbers by doubling the smaller number and adding one. |

double standard |
any standard set of principles or code of behavior applied in such a way that one group is favored over another, such as men over women or whites over blacks. |

double-stop |
to produce two notes simultaneously on a stringed instrument, such as the violin, by drawing the bow across two strings at once. [2 definitions] |

doublet |
a snug jacket, sometimes sleeveless and sometimes having a short skirt, worn by men during the Renaissance. [4 definitions] |

double take |
a sudden second look or other delayed reaction indicating that the real significance of a sight, remark, or situation has just been understood. |

double-talk |
ambiguous language meant to deceive people or evade problems or issues. [3 definitions] |

doublethink |
the simultaneous acceptance of two contradictory statements. |

double time |
a fast military marching pace of one hundred and eighty three-foot steps per minute. [3 definitions] |

double-time |
to move or play in double time. |

doubleton |
in bridge, a pair of cards that are the only ones in a player's hand of a given suit. |