Definition of alphanumeric in English:

alphanumeric

adjective

  • Consisting of or using both letters and numerals.

    ‘alphanumeric data’
    ‘an alphanumeric keyboard’
    • ‘An average person sits with hands at or near an alphanumeric keyboard in perusing material on the Internet, and is thus equally in a position at each moment to write or to read, both of which are normally carried out by means of the same screen.’
    • ‘I've been reading a lot of stuff recently about how alphanumeric passwords will slowly disappear in favour of systems based on fingerprint or iris recognition.’
    • ‘Unlike the traditional pager, two-way pagers can transmit and receive alphanumeric messages.’
    • ‘The concept of literacy, or more appropriately, symbolic literacy, should include more than the ability to encode and decode alphanumeric symbols; it should include these other types of external symbols as well.’
    • ‘He encourages family members to use alphanumeric passwords with at least eight characters.’
    • ‘Based on this information, the software creates an alphanumeric code and transmits this code to Symantec through the internet.’
    • ‘The screen is a 160 × 160 backlit LCD, and the 55-key alphanumeric keypad comprises the bulk of the device's front face.’
    • ‘Subjects were assigned alphanumeric identifiers specific to their groups.’
    • ‘Most of the information I crave is specific and textual; and since most specific text information involves more than one word in a row, I'm usually looking for alphanumeric strings.’
    • ‘Using alphanumeric passwords increases the number of possible password combinations by millions.’
    • ‘Large-character printing products provide superior bar-code resolution on cartons and shipping containers, as well as logos, graphies and alphanumeric images.’
    • ‘You use the remote's alphanumeric keypad and music control buttons to enter the network's password.’
    • ‘The simplest regular expression is a plain alphanumeric string.’
    • ‘Specifically, his survey posits a basic question: Do graphic displays offer a cognitive advantage over alphanumeric presentation of the same information?’
    • ‘But voice over IP doesn't require phone numbers - it uses IP addresses mapped to alphanumeric names.’
    • ‘A domain name is an alphanumeric name for a computer that typically has meaning to users and is converted automatically to an IP address by the domain name server system.’
    • ‘This is a talking, laptop-style, battery-operated, electronic learning aid with an alphanumeric keyboard and a full dot matrix LCD screen which provides clear animated pictures.’
    • ‘‘Really, though, you can't just give a ship some alphanumeric designation and call it good enough,’ I argue, settling myself down in the captain's seat.’
    • ‘In use the standard layout only extends to the alphanumeric keys; the extras you would normally find grouped separately are integrated as part of the main key interface which can be very confusing.’
    • ‘SMS is a technology that allows sending and receiving alphanumeric text messages to and from mobile phones.’

noun

  • A character that is either a letter or a number.

    • ‘In this case, always begin with a capital letter, then alternate case and alphanumerics thereafter.’
    • ‘Use alphanumerics to make it even harder to guess.’
    • ‘That home address, that singular string of alphanumerics, is an abstract way of grasping space, but not as abstract as global positioning.’
    • ‘Always use at least eight characters, including alphanumerics and symbols.’
    • ‘Why didn't they just sidestep the issue and make him an alphanumeric rather than a number?’

Origin

1950s: blend of alphabetical and numerical.

Pronunciation:

alphanumeric

/ˌalfən(y)o͞oˈmerik/