I recently read something disturbing at Merriam-Webster

[conuly]

It's been haunting my very dreams.

Answer the question before you click, please: How do you say the word "detritus"?

Poll #22807

Open to: Registered Users, detailed results viewable to: All, participants: 87

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So?

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Yeah, M-W is right
73 (83.9%)

Nah, they absolutely gotta be trolling us somehow
14 (16.1%)

Comments

[kareina]

I have never heard any pronunciation other than the one in the linked recording. How else could it be said?

[conuly]

Stress on first syllable, all vowels "short".