SPAD (suomeksi)

Määritelmät:

(lb, en, rail transport, UK) signal passed at danger
(lb, en, rail transport, UK) an instance of a signal passed at danger
(lb, en, politics, UK) A w:Special advisers (UK government), special adviser
(lb, en, plant science) a relative measurement of the amount of chlorophyll present in a leaf based on measurements with a SPAD meter produced by wikipedia:Minolta, Minolta
(lb, en, rail transport, UK) to pass a signal at danger