AND

AND

1. (international standards) ISO 3166-1 alpha-3 country code for Andorra.

   Synonym: AD (alpha-2)

• Rhymes: -ænd

AND (plural ANDs)

1. (logic) Alternative form of ∧, the conjunction operator.
2. (logic) The binary operator and, only true if both of two inputs is true. In infix notation.
   • 2022 August 4, William Bahn, “Boolean Algebra Laws—Delving Into Boolean Identities”, in All About Circuits‎^[1]:

     The proof (Tables 9 and 10) of idempotence for both OR and AND follows from examining the definition of each operation under the constraint that both inputs have the same value.

• NAND

• FALSE
• OR
• NOR
• NOT
• TRUE
• XNOR
• XOR

AND (third-person singular simple present ANDs, present participle ANDing, simple past and past participle ANDed)

1. (logic, transitive) To combine (a value) with another value by means of this operator.
   • 2006, Gary R Wright, W Richard Stevens, The Implementation:

     If an internal node is encountered that contains a mask, the search key is logically ANDed with the mask and another search is made of the subtree...

• nand
• nor
• or
• xor
• xnor
• not

Initialism.

AND (comparative more AND, superlative most AND)

1. (aviation) Initialism of airplane nose down.

• ANU

• -dan, ADN, DAN, DNA, Dan, Dan., NAD, NDA, dan, dna, nad