Extremely short time unit: abbr

• One sixty-billionth of a min
• Time required for light to travel about a ft
• Fraction of a fraction of a min.
• Teeny amt. of time
• Tiny amount of time: Abbr.
• Tiny time unit: Abbr.
• Infinitesimal span, for short
• Minuscule part of a 34-Down: Abbr.
• Extremely short time unit (abbr.)

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NSEC may refer to: National Standard Examination in Chemistry Netaji Subhash Engineering College North Shore Events Centre Next SECure record of the Domain Name System