The public hear these words differently that scientists

Terms that have different meanings for scientists and the public
[Via Google Docs]

*Inspired by this post: http://blogs.agu.org/mountainbeltway/2011/10/17/words-matter/, this is a crowd sourced collection of words that have different meaning for scientists and the public. Please feel free to add entries to the bottom. Avoid jargon that has no common usage, this list is specifically for terms with multiple meanings. Words in bold are from the original list. Additional suggestions for better choices are welcome.

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Jargon is always a problem but many of these are cases of common words having different meanings.

Like ‘cleavage’ or ‘error’ or ‘massive’  or ‘model.’ The suggestions for alternatives are useful but hardly definitive.