English Reference
noun

converter

n.
US /kənˈvɝtɝ/ UK /kənvˈɜːtɐ/ con·vert·er UK spelling converters

  1. 01 B2 Upper Intermediate Technical Technical

    a device that changes something into a different form, such as changing electricity or a computer file type.

    an apparatus for converting one form of energy, data, or physical state into another.

    Simple

    You will need a power converter if you want to use your hair dryer in Europe.

    In context

    The technician installed a high-frequency signal converter to ensure the legacy hardware could communicate with the modern digital interface.

    Usage

    Often used with a modifying noun like 'power', 'catalytic', or 'digital'.

  2. 02 B2 Upper Intermediate Computing

    a computer program that changes a file from one format to another, like turning a video into an audio file.

    a software utility designed to translate data from one file format or encoding to another.

    Simple

    I used an online converter to turn the document into a PDF.

    In context

    The developer recommended a batch converter to process the thousands of raw image files into a web-friendly format overnight.

    encodertranscoder
  3. 03 C1 Advanced Formal Religion

    someone who has changed their religion or their strong political opinions.

    a person who has undergone a conversion, particularly in a religious or ideological context.

    Simple

    As a recent converter to the faith, he attended every study group available.

    In context

    The mission reported a significant number of new converters following the community outreach program in the rural provinces.

    Teacher's tip

    While 'convert' is the more common noun for a person, 'converter' is sometimes used to emphasize the person's active role in the change.

    proselyteneophyte

Etymology tree Proto-Indo-European *ḱe Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *wert- Proto-Indo-European *wértetor Proto-Italic *wertō Proto-Italic *komwertō Latin convertōder. Old French convertirbor. Middle English converten English convert Latin -ariusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English converter From convert + -er.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated