Crossword Clue:

the distance of a fall

AnswerCrossword Clue
CALLTOGet the attention of, from a distance
GAUGEDistance between the rails of a railroad.
SPANDistance between the wing tips of a plane.
THIRDLEGFraction of the distance in a sailing race.
ISOMETRYDistance-preserving transformation, as the rotation of a plane
VADOSEExtending a short distance below the surface: Geol.
EIGHTISENOUGHSeries about a pitcher who can't go the distance?
LINEA straight one is the shortest distance between two points
AXIOM"A straight line is the shortest distance between two points," for instance.
BESSELGerman astronomer who was the first to measure the distance to a star