acronym contested
ECMA is most commonly pronounced "EK ma" (/ˈɛk mə/). This is one of several readings in active use; the developer community hasn't converged on a single answer.
"EK-ma" (one word) is the org's own usage; letter-by-letter also common. European Computer Manufacturers Association (legacy name).
Alternate readings you might hear:
/ˌiː siː ɛm ˈeɪ/Source: Ecma International
Pronouncing project and product names correctly avoids the small but persistent friction of being gently corrected during standups, conference Q&As, and team calls. Hearing the word a few times locks in the right reading better than reading IPA ever will. Pronounce is a community-maintained dictionary — every entry tagged with a confidence level and (where possible) a citable source.
Install the CLI: git clone https://github.com/anzy-renlab-ai/pronounce.git && cd pronounce && ./install.sh
This whole page exists because of a community-maintained TSV. If it saved you a cringey moment, drop a star.
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