■ conjunction
1》 used to connect words of the same part of speech, clauses, or sentences.
↘connecting two identical comparatives, to emphasize a progressive change.
↘connecting two identical words, implying great duration or great extent.
2》 used to connect two numbers to indicate that they are being added together.
↘ archaic connecting two numbers, implying succession.
3》 used to introduce an additional comment or interjection.
4》 informal used after some verbs ~ before another verb to indicate intention, instead of ‘to’.
■ noun ( AND )
1》 a logical operation which gives the value one if ~ only if all the oper~s are one, ~ otherwise gives a value of zero.
2》 [as modifier ] Electronics denoting a gate circuit which produces an output only when signals are received simultaneously through all input connections.
Origin
OE ~ , ond , of Gmc origin.
Usage
A small number of verbs, notably try , come , ~ go , can be followed by ~ rather than to in sentences like we're going to try ~ explain it to them . Such uses are regarded as wrong by some traditionalists, but they are extremely common ~ can be regarded as part of st~ard English.