Just to show how difficult it is :)

> (She was reaching for petri dish.)

The "Petri" before the "dish" is capitalized, since it derives from a person.

update

tho wiktionary lists the lowercase version as alternative spelling.

Cheers Rolf
(addicted to the 𐍀𐌴𐍂𐌻 Programming Language :)
Wikisyntax for the Monastery

In reply to Re^4: Searching for homophones and words that are similar by LanX
in thread Searching for homophones and words that are similar by Bod

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