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1. One billionth (10^-9) of a second; one thousandth of a microsecond
   - nanosecond

1. The 14th letter of the Roman alphabet
   - N

1. (of a solution) concentration expressed in gram equivalents of solute per litre
   - normality
    
2. A common nonmetallic element that is normally a colourless odourless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
   - nitrogen, atomic number 7
    
3. A unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes
   - newton
    
4. The cardinal compass point that is at 0 or 360 degrees
   - north, due north, northward

Type of: alphabetic character, cardinal compass point, chemical element, element, force unit, gas, letter, letter of the alphabet, relative quantity, time unit, unit of time

Part of: air, Latin alphabet, microsecond, Roman alphabet, sthene

Encyclopedia: N,N'-di-2-butyl-1,4-phenylenediamine N,N'-dicyclohexylcarbodiimide N,N,DMT N,N'-Diisopropylcarbodiimide N N,N'-Di-2-butyl-1,4-phenylenediamine N,N'-Dicyclohexylcarbodiimide N,N,N-trimethyl-4-phosphoryloxytryptamine N,N-dimethylbenzylamine N,N-dimethylformamidase N,N-dimethylacetamide N,N-dimethylamphetamine N,N-dimethylformamide N, N-diethyl-meta-toluamide N,n-dimethyltryptamine N,N-dimethyltryptamine N,O-dimethylhydroxylamine N,N-diisopropyltryptamine N,N-Diisopropylethylamine N,N-Dimethylamphetamine N,N-DMT N,N-Diallyllysergamide N,N-Dimethylaniline N,N-diisopropylamine N,N-diisopropylethylamine N,N-Dimethylformamide N,N-diethylhydroxylamine