Term: dark matter: (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force
Broader: matter: that which has mass and occupies space | Unrelated: pepper pot: a soup made with vegetables and tripe and seasoned with peppercorns; often contains dumplings
Broader: matter: that which has mass and occupies space | Unrelated: moor: open land usually with peaty soil covered with heather and bracken and moss
Broader: matter: that which has mass and occupies space | Unrelated: loganberry: red-fruited bramble native from Oregon to Baja California
Broader: matter: that which has mass and occupies space | Unrelated: house mouse: brownish-grey Old World mouse now a common household pest worldwide
Broader: matter: that which has mass and occupies space | Unrelated: put option: the option to sell a given stock (or stock index or commodity future) at a given price before a given date
Broader: matter: that which has mass and occupies space | Unrelated: arminianism: 17th century theology (named after its founder Jacobus Arminius) that opposes the absolute predestinarianism of John Calvin and holds that human free will is compatible with God's sovereignty
Broader: matter: that which has mass and occupies space | Unrelated: green snake: either of two North American chiefly insectivorous snakes that are green in color
Broader: matter: that which has mass and occupies space | Unrelated: message: what a communication that is about something is about
Broader: matter: that which has mass and occupies space | Unrelated: serviceman: someone who serves in the armed forces; a member of a military force
Broader: matter: that which has mass and occupies space | Unrelated: thunderstorm: a storm resulting from strong rising air currents; heavy rain or hail along with thunder and lightning