16/02/2009, 04:34 AM
mod⋅er⋅a⋅tor /ˈmɒdəˌreɪtər/ [mod-uh-rey-ter] –noun
1.
2.
3.
4.
Origin:
1350–1400; ME < L moderātor, equiv. to moderā(rī) to control (see moderate ) + -tor -tor
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1.
a person or thing that moderates.
2.
a person who presides over a panel discussion on radio or television.
3.
a presiding officer, as at a public forum, a legislative body, or an ecclesiastical body in the Presbyterian Church.
4.
Physics. a substance, as graphite or heavy water, used to slow neutrons to speeds at which they are more efficient in causing fission.
Origin:
1350–1400; ME < L moderātor, equiv. to moderā(rī) to control (see moderate ) + -tor -tor
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