Related Terms. Long-term (maturity over 10 years) fixed interest rate debt security issued by a national (federal) government backed by its 'full faith and credit.' Next to treasury bills (maturity less than one year), and treasury notes (maturity one to ten years) T-bonds are the safest form of marketable investment.
bacteria [pl. of bacterium], microscopic unicellular prokaryotic organisms characterized by the lack of a membrane-bound nucleus and membrane-bound organelles. Once considered a part of the plant kingdom, bacteria were eventually placed in a separate kingdom, Monera.
Microorganism. An organism (life form) that is too small to be seen with the naked eye. Mentioned in: Antibiotics, Antituberculosis Drugs, Erythromycins, Fluoroquinolones, Penicillins, Tetracyclines, Vaginal Pain. ; MO generic term denoting bacteria, fungi, rickettsiae and viruses.icroorganism. An organism (life form) that is too small to be seen with the naked eye. Mentioned in: Antibiotics, Antituberculosis Drugs, Erythromycins, Fluoroquinolones, Penicillins, Tetracyclines, Vaginal Pain. ; MO generic term denoting bacteria, fungi, rickettsiae and viruses.