"partially" How can you overlook that word in your own post?
Ok .. how about this .. where would you draw the line between deaf and not deaf ?
I doubt you would consider someone with a 10 db loss @ 8khz deaf .. Even though in some situations that can be considered a partial lack of hearing.
is it 20 ?? 50 ?? 75 ?? 100 ??
Because pure tone does not include speech discrimination .. should we adjust it to be understanding speech ??
being able to tell the call of a <insert some bird> from that of a <inset some other bird>
I find it hard to believe that you can honestly say that , purely by performance , you classify someone that can understand spoken speech at a 'normal' conversational level while there back is turned as deaf.
Does it matter that they have a CI .. they have no lack of hearing for that situation.