How to drain central heating system without drain valve. Synonym Discussion of Drain.

How to drain central heating system without drain valve. Drain definition: to withdraw or draw off (a liquid) gradually; remove slowly or by degrees, as by filtration. If something drains, liquid…. If you drain something, you remove the liquid from it, usually by pouring it away or allowing it to flow away, and if something drains, liquid flows away or out of it: To or into the condition of being wasted or lost: All of our best laid plans are down the drain. Learn more. How to use drain in a sentence. Look up drain in Wiktionary, the free dictionary. . Synonym Discussion of Drain. While all these words mean "to deprive of something essential to existence or potency," drain implies a gradual withdrawal and ultimate deprivation of what is necessary to an existence. If you drain something, you remove the liquid from it, usually by pouring it away or allowing it to flow away, and if something drains, liquid flows away or out of it: DRAIN definition: 1. qnjua 2tghn bpaf tre sugnk cv i6 crr 5os i8