Term: nicol prism: optical device that produces plane-polarized light
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: dexamethasone: a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: split-brain technique: brain surgery on animals in which the corpus callosum (and sometimes the optic chiasm) is severed so that communication between the cerebral hemispheres is interrupted
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: ziphiidae: beaked whales; in some especially former classifications included in the family Physeteridae
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: outsider art: a genre of art and outdoor constructions made by untrained artists who do not recognize themselves as artists
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: chemical terrorism: terrorism using the chemical agents of chemical warfare; can undermine the personal security of citizens
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: income bracket: a category of taxpayers based on the amount of their income
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: eon: the longest division of geological time
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: pine knot: a joint of pine wood used for fuel
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: drift: a process of linguistic change over a period of time