Term: litmus: a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: spark: a small fragment of a burning substance thrown out by burning material or by friction
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: necklace: jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women)
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: light minute: the distance light travels in a vacuum in one minute; approximately 18 million kilometers
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: male reproductive system: the reproductive system of males
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: case: the actual state of things
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: boatload: the amount of cargo that can be held by a boat or ship or a freight car
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: pothunter: a nonprofessional archeologist
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: label: a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: macroevolution: evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups
Broader: relation: an abstraction belonging to or characteristic of two entities or parts together | Unrelated: deed: a legal document signed and sealed and delivered to effect a transfer of property and to show the legal right to possess it