equilibrium |
in chemistry, a condition in which a reaction and its reverse happen at the same rate, preserving constant proportions of the reactants involved. [1/3 definitions] |

fast-paced |
characterized by near constant activity, hurry, or excitement. [1/3 definitions] |

fixed |
made stable; constant. [1/5 definitions] |

geostationary |
of or pertaining to a satellite or spacecraft that travels around the earth's equator at a speed equal to the earth's rotation so as to maintain a constant relation to points on the earth's surface. |

grazing |
(informal) eating food all day; constant snacking. [1/2 definitions] |

helix |
a three-dimensional curve with a central axis and a steadily increasing, steadily decreasing, or constant circumference; spiral. |

hothouse |
a heated glass building used to grow plants that require a constant warm temperature. [1/2 definitions] |

hyperbola |
a conic section consisting of two identical but opposite curves, which may be defined as the set of all points in a plane such that the distances of each point to two defined foci have a constant difference. |

inertia |
in physics, the tendency of a motionless body to remain still or of a body in motion to continue at a constant velocity along a straight line unless subjected to some external force. [1/2 definitions] |

invariable |
that which is constant or invariable. [1/2 definitions] |

isothermal |
of, related to, or designating equal temperatures or changes occurring at constant temperatures. [1/3 definitions] |

kinetic theory |
in physics, the theory that the particles of all matter are in constant motion and that temperature is dependent on the speed of such motion. |

nag^{1} |
to bother with constant complaints, demands, or instructions; pester. [1/6 definitions] |

nonconstant |
combined form of constant. |

ordinary |
the part of Catholic Mass that is constant. [1/5 definitions] |

parameter |
a constant or variable term in a mathematical expression that restricts or determines the form of that expression. [1/3 definitions] |

perennial |
lasting throughout the year, for many years, or indefinitely; constant. [1/4 definitions] |

Planck's constant |
the fundamental constant in quantum mechanics that expresses the ratio of the radiant energy of one quantum to the frequency of radiation. |

plate tectonics |
(used with a sing. verb) the geologic theory that the earth's crust consists of several independent plates floating on semiliquid magma, whose constant motion is the cause of continental drift, volcanic eruption, and the like. |

pound^{1} |
to instill by constant repetition. [1/8 definitions] |

pressure |
the applying of constant force upon a surface. [1/4 definitions] |