(Michael Hamm) writes:

On Sun, 16 May 2004 11:48:28 +0100, Gautam Majumdar
wrote, in part:
The May 2004 issue of Scientific American has an article about gas
depleted hot jupiters which are named Chthonians (page 13). How to
pronunciate it ? Does "Ch" or "th" go silent ?

According to http://m-w.com/cgi-bin/dictionary?va=chthonian it's
pronounced (in a way that they transcribe as) /'thO-nE-&n/ (which
I'd transcribe as /'TownijIn/). That is, the 'ch' is silent. Other
online dictionaries agree (see a list at onelook.com).

Note, however, that in "authochthonous" (/O'tAkTh@nus/) both the "ch"
and the "th" are pronounced.

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