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Add Yahoo as a preferred source to see more of our stories on Google. That's why we've rounded up five ways to make your own perfectly spooky vampire Halloween costumes. See how we've reimagined ...
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The National Retail Federation has published their stats on this year's Halloween - over 171 million Americans will be celebrating, and they'll spend an average of $82.93 on costumes and decorations.
"Adult children" comes from "adult children of alcoholics", but now has broader reference to adults who were abused emotionally, physically or sexually in childhood.
Merriam-Webster has an entry for half-orphan, meaning someone with only one living parent. They say specifically a child, which would match the usual usage of "orphan" (as mentioned in the question), but it might be used of an adult sometimes, either jocularly or by extension. This doesn't distinguish which parent is dead, but could be combined with a further explanation if it matters.
The best way to do it, I think, would be to forgo the hyphens completely and go with: I am a psychologist who works with children and adults. Anything else is awkward, ambiguous, or both. If it's necessary to emphasize that this individual works with children and adults (i.e., this isn't just introductory information), you could add in a 'both': I am a psychologist who works with both children ...
16 The word adult appear to have derived from the Latin term adultus, meaning grown up, mature, adult, ripe. Adulterate (and its cognate adultery) is reported to derive from the Latin adulterare - to falsify, corrupt. Are the meanings and derivation of adult and adulterate, directly related, or is this just a coincidence of spelling?