To put your school's radon test results in perspective, outdoor air background levels of radon are about 0.4 pCi/L. Getting indoor levels below 2 pCi/L is difficult. The EPA recommends that steps should be taken to lower radon levels if they are 4 pCi/L or above.
Noun. 1. butch - (slang) offensive term for a lesbian who is noticeably masculine. dike, dyke. derogation, disparagement, depreciation-a communication that belittles somebody or something.utch. adj. Slang. Exhibiting stereotypically masculine appearance or behavior.
1 masculine. 2  When used to describe women, usually used in reference to masculine lesbians. 3  That girl is so butch. 4  Citation from Notapusy, Arrested Development (TV, 2005), Season 3 Episode 4 blacked out to resolve Google's penalty against this site.ink to this slang definition. To link to this term in a web page or blog, insert the following. To link to this term in a wiki such as Wikipedia, insert the following. Some wikis use a different format for links, so be sure to check the documentation.