n.

any instruction that works first one way and then the other; it turns something on the first time it is used and then turns it off the next time

a hinged switch that can assume either of two positions

同義詞：toggle switchon-off switchon/off switch

a fastener consisting of a peg or pin or crosspiece that is inserted into an eye at the end of a rope or a chain or a cable in order to fasten it to something (as another rope or chain or cable)

Sniffers, buzzers, toggles and blinkers: dynamics ...
U2 toggles iteratively between the stem IIa and stem IIc conformations to promote pre-mRNA splicing
Health reporting mechanism for inter-network gateway
Integrative Genomics Viewer (IGV): high-performance genomics data visualization and exploration
Rcs — a system for version control
Minimizing power consumption in digital CMOS circuits
Text Entry for Mobile Computing: Models and Methods,Theory and Practice
From molecules to opto-chips: organic electro-optic materials
IA-32 Intel Architecture Software Developer's Manual
Signalling ballet in space and time