Dictionary

and

conjunction \ən(d), (ˈ)an(d), usually ən(d) after t, d, s or z, often əm after p or b, sometimes əŋ after k or g\

—used to join words or groups of words

: added to : plus

—used to describe an action that is repeated or that occurs for a long time

Full Definition of AND

1
—used as a function word to indicate connection or addition especially of items within the same class or type ; used to join sentence elements of the same grammatical rank or function
2
a —used as a function word to express logical modification, consequence, antithesis, or supplementary explanation
b —used as a function word to join one finite verb (as go, come, try) to another so that together they are logically equivalent to an infinitive of purpose <come and see me>
3
obsolete :  if
4
—used in logic to form a conjunction
and so forth \ən-ˈsō-ˌfrth\
1
:  and others or more of the same or similar kind
2
:  further in the same or similar manner
3
:  and the rest
4
:  and other things
and so on \ən-ˈsō-ˌn, -ˌän\
:  and so forth
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Examples of AND

  1. 2 and 2 equals 4.

Origin of AND

Middle English, from Old English; akin to Old High German unti and
First Known Use: before 12th century

AND

noun \ˈand\

Definition of AND

:  a logical operator that requires both of two inputs to be present or two conditions to be met for an output to be made or a statement to be executed

First Known Use of AND

1949
AND SO ON Defined for Kids

and

conjunction \ənd, and\

Definition of AND for Kids

1
:  added to <2 and 2 make 4>
2
:  as well as <ice cream and cake> <strong and healthy>
3
—used to describe an action that is repeated or that occurs for a long time <The dog barked and barked.>
4
—used to indicate the purpose of an action <Please try and call.>
and so forth
:  and others or more of the same kind <He collects model cars, trains, planes, and so forth.>
and so on
:  and so forth <Young cats are called kittens, young dogs are puppies, and so on.>

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