Today, Redfin announced the availability of the so-called âRedfin Estimate,â which is the online real estate brokerageâs answer to the Zestimate. Similar to the Zestimate, the Redfin Estimate is an automated home-value estimate that is displayed on home listing pages throughout Redfin. When viewing homes on Redfin, it will be listed next to the last-sold price for homes not on the market and below the list price for those currently on the market.
narrow-spectrum antibiotic. (microbiology). An antibiotic effective against a limited number of microorganisms. 1  Facebook. 2  Twitter.
Image credit: CDC/ Janice Carr/ Deepak Mandhalapu. If antibiotics are overused or used incorrectly there is a risk that the bacteria will become resistant-the antibiotic becomes less effective against that type of bacterium. A broad-spectrum antibiotic can be used to treat a wide range of infections. A narrow-spectrum antibiotic is only effective against a few types of bacteria. There are antibiotics that attack aerobic bacteria, while others work against anaerobic bacteria. Aerobic bacteria need oxygen, while anaerobic bacteria don't.