transitive verb. To lengthen in duration; protract.

noun. A prolongation: used specifically of an extension or elongated mouthpiece or chamber on retorts for the manufacture of zinc products or for the handling of other oxids which are volatile at high temperatures.

To lengthen in time; extend the duration of; lengthen out.

To put off to a future time; postpone.

To extend in space or length: as, to prolong a straight line.

Synonyms and To protract, extend, continue, draw out.

To lengthen out; extend.

transitive verb. To extend in space or length.

transitive verb. To lengthen in time; to extend the duration of; to draw out; to continue.

transitive verb. To put off to a distant time; to postpone.

verb. To extend in space or length.

verb. To lengthen in time; to extend the duration of; to draw out; to continue.

verb. To lengthen temporally; to put off to a distant time; to postpone.

verb. lengthen or extend in duration or space

verb. lengthen in time; cause to be or last longer

"The word prolong means "to lengthen or extend in time or space.""

extend  

prolongable  prolongation  prolonger  prolongment  

Guangdong  Hmong  Jong  Kong  Long  

calreticulin  electroconvulsive  ever-recurrent  foreign-currency  high-dose  

adjourn  carry  continue  continue  dawdle  

prolonged  prolonges  prolonging  prolongs