In science, a second is the time it takes for a caesium atom to vibrate 9,192,631,770 (around 9 billion) times. Scientists measure the second this way because the length of a day changes all the time. For example, when the dinosaurs lived, a day was about an hour shorter.  Vibrations of atoms on the other hand always take the same time.
noun shortest interval of time noun support; duplicate verb support, advance a suggestion synonyms for second Compare Synonyms alternative double duplicate extra following further inferior lower place repeated reproduction runner-up secondary succeeding supporting twin additional another lesser next in order other subsequent unimportant
second noun (POSITION) [ S ] the second person or thing to do or be something, or the second person or thing mentioned: This is the second of the four tests. seconds [ plural ] informal an extra amount of food that is given after the first amount has been eaten: Would anyone like seconds of ice cream? SMART Vocabulary: related words and phrases
second (s or sec): The second (abbreviation, s or sec) is the Standard International ( SI ) unit of time. One second is the time that elapses during 9,192,631,770 (9.192631770 x 10 9 ) cycles of the radiation produced by the transition between two levels of the cesium 133 atom.
Second Chance Dog Rescue was formed to fulfill a desperate need in the community to Rescue, Rehabilitate & Re-home homeless dogs from the over-crowded local shelters, and from families who can no longer take care of their dogs (on a case-by-case basis only).
Second Chance Dog Rescue - San Diego Pet Shelter. Second Chance Dog Rescue is one of San Diego’s largest non-profit 501c3 organizations dedicated to saving homeless dogs. We are not a shelter but a dog rescue and all of our dogs are in private foster homes until they are adopted. Shelter Address. 4284 Cass Street.
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