Term: index fossil: a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: cease: (`cease' is a noun only in the phrase `without cease') end
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: compatible software: application software programs that share common conventions so they can be utilized together
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: tineidae: clothes moths
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: trireme: ancient Greek or Roman galley or warship having three tiers of oars on each side
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: isobutylene: used also in making gasoline components
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: point: a linear unit used to measure the size of type; approximately 1/72 inch
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: dendrite: short fiber that conducts toward the cell body of the neuron
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: needleworker: someone who does work (as sewing or embroidery) with a needle
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: graphologist: a specialist in inferring character from handwriting
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: clavicipitaceae: any of various mushrooms of the class Ascomycetes