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anti-smog
anti-smog adj. 
/ˌæn(t)iˈsmɑɡ/, /ˌænˌtaɪˈsmɔɡ/, /ˌænˌtaɪˈsmɑɡ/, /ˌæn(t)əˈsmɔɡ/, /ˌæn(t)əˈsmɑɡ/
Brit. /ˌantɪˈsmɒɡ/
, /ˌantɪˈsmɒɡ/U.S. /ˌæn(t)iˈsmɔɡ/
, /ˌæn(t)iˈsmɔɡ//ˌæn(t)iˈsmɑɡ//ˌænˌtaɪˈsmɔɡ//ˌænˌtaɪˈsmɑɡ//ˌæn(t)əˈsmɔɡ//ˌæn(t)əˈsmɑɡ/ΚΠ
1940 Denton (Texas) Record-Chron. 19 Oct. 2/2 What it [sc. the Detroit News] said will do for an anti-smog campaign slogan: ‘Grime does not pay’.
1994 N.Y. Times 4 Mar. d6/2 11 Eastern states and the District of Columbia asked the Federal Government to impose California's stringent anti-smog rules on them.
2004 J. Sherman Gasp! 231 Tucker..said that the city ought to take a cautious approach about passing anti-smog ordinances and rules.
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