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.
derogatory for Italian, 1912, American English slang, apparently from southern Italian dialect guappo dandy, dude, stud, a greeting among male Neapolitans, said to be from Spanish guapo bold, dandy, which is from Latin vappa sour wine, also worthless fellow; related to vapidus (see vapid).