(organic chemistry) Abbreviation of 2,4-dinitrophenylhydrazine.

(colloquial) 24 hours per day, 7 days per week, 365 days out of the year (including February 29 in leap years, as well); constantly, without interruption, twenty-four seven, the entire year.

plural of 21700

plural of 2170

21700 (electrochemical battery of a secondary storage cell)

2170 (electrochemical battery of a secondary storage cell)

(often with "the") Los Angeles, after the 213 area code.

(often with "the") North Jersey, after the 201 area code.

(US, military) A personnel file detailing the background and history of a member of the United States armed forces.

Alternative form of 420