spond-, spon-, spons-, -spondence, -spondent,
-spondency, -spondencies

Behavior that is unpremeditated and not planned or thought about before it happens: The spontaneities of joy and happiness of the employees were obviously impulsive and natural reactions when they were suddenly told that the company would be increasing their salaries by ten percent starting next month because of the much higher profits that were being made for the products that they had been producing. © ALL rights are reserved.

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1. Relating to something that is done or said in a natural and often sudden way without much thought or planning; impulsive: When Leona saw her grandson again, she gave him a quick, spontaneous hug.
2. Descriptive of anything that happens without an external cause or help and so it is caused entirely by inner forces: The eruptions of volcanoes are certainly the results of spontaneous actions. © ALL rights are reserved.

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Etymology: from about 1200, "a married woman in relation to her husband" (also of men), from Old French spus; feminine spuse, from Latin sponsus, "bridegroom"; feminine sponsa, "bride"; from masculine and feminine spondere, "to bind oneself, to promise solemnly".

A radio transmitter-receiver that is activated when it receives a predetermined signal: RFID (Radio Frequency Identification) transponders come in many forms, including smart labels, simple tags, smart cards and keychain fobs.

Injectable ID chip or biochip transponders

Biochip transponders are electronic devices that are inserted under the skin of an animal to provide it with a unique identification number.

Injectable ID transponders are less painful, faster to implement, and more cost-effective than ear-tags, brands, or tattoos, have been used to identify livestock animals; such as, pigs, sheep, cows, and horses for several years.

Once inserted under an animal's skin the transponder remains inactive until read by a compatible scanner.

The scanner works by sending a low frequency radio signal to "wake up" the transponder and provide it with the power it needs to send its unique identification code back to the scanner where it is read, compared to other codes in the database so it can positively identify each animal.

Here is a List of Radio Frequency Identification articles for further explanations: RFID

A reference to being unmarried.