any of various devices for testing physical conditions, often for remote or underwater locations
An electronic Device that fits inside the drill head and transmits a signal used for locating purposes Also referred to as a transmitter or probe
is a device sent up into the air, typically borne on a balloon, to obtain information about atmospheric conditions Radiosondes, for example, measure temperature, pressure and humidity and then "radio" or transmit these data to Earth
That which is sent; a message or messenger; hence, also, a visitation of providence; an affliction or trial
A rocket, balloon, or rockoon used as a probe for observing phenomena in the atmosphere
sonde
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[ 'sänd ] (noun.) 1901. French, literally, sounding line; more at SOUND.