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How to pronounce macOS

product community-consensus

mac oh ess /ˌmæk oʊ ˈɛs/ mp3

macOS is most commonly pronounced "mac oh ess" (/ˌmæk oʊ ˈɛs/). This is the widely-used reading among engineers, though edge cases exist.

Three spoken parts: 'mac oh ess', /mæk oʊ ɛs/ — the OS is spelled out, never 'mac-oss'.

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.

How do you pronounce macOS?

macOS is pronounced "mac oh ess" (/ˌmæk oʊ ˈɛs/). Three spoken parts: 'mac oh ess', /mæk oʊ ɛs/ — the OS is spelled out, never 'mac-oss'.

What is the IPA for macOS?

The IPA for macOS is /ˌmæk oʊ ˈɛs/, respelled "mac oh ess".

Hear it from the command line

$ say-it macOS # primary × 3 + audible "or: …" for each alternate
$ say-it --why macOS # print the dict entry with source URL

Install the CLI: curl -fsSL https://pronounce.renlab.ai/install.sh | bash

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About this entry

Audio on this page plays the committed canonical MP3 first and uses Web Speech only as a fallback if playback fails. The CLI (say-it macOS) passes the same English-like respelling to its detected OS TTS backend. Found an issue or want to add a reading? Contribute on GitHub.

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