Second

In the International System of Units (SI,) the time interval equal to 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of ...

second

Sports; Climbing

A climber who follows the lead, or first, climber.

second

Language; Public speaking

A motion must receive a "second" before group discussion can proceed. Assures that more than one member wishes to have the motion considered.

Mount Everest

Sports; Climbing

Mount Everest (Tibetan: ཇོ་མོ་གླང་མ; Chinese: 珠穆朗玛峰; Nepali: सगरमाथा) is the highest mountain on earth, measuring 8,848 meters (29,029 ft) above sea level at its peak. It is ...

chimney

Sports; Climbing

A rock cleft with vertical sides mostly parallel, large enough to fit the climber's body into. To climb such a structure, the climber often uses his head, back and feet to apply ...

cairn

Sports; Climbing

A distinctive pile of stones placed to designate a summit or mark a trail, often above the treeline.

crank

Sports; Climbing

To pull on a hold as hard as possible.

bump

Sports; Climbing

To quickly move up a hand or a foot a small distance from one useful hold to another.

clean

Sports; Climbing

To remove equipment from a route. A route that is free of loose vegetation and rocks. To complete a climb without falling or resting on the rope. Also see redpoint. In aid ...