Science / Biology / Digestive System: One of eleven major body organ systems in animals; converts food from the external environment into nutrient molecules that can be used and stored by the body and eliminates solid wastes; involves five functions: movement, secretion, digestion, absorption, and elimination.
System Noun Synonyms: scheme, method, approach, modus operandi, way, procedure, methodology, technique, plan, process, practice, routine
System Adjective Synonyms: organized whole, organization, set, group, combination, structure, arrangement, pattern, set-up
Science / Biology / Tube-Within-A-Tube System: A type of body plan in animals. The organism has two openings&emdash;one for food and one for the elimination of waste&emdash;and a specialized digestive system. MORE
Science / Tides and Currents / Next Generation Water Level Measurement System (NGWLMS): A fully integrated system encompassing new technology sensors and recording equipment, multiple data transmission options, and an integrated data processing, analysis, and dissemination subsystem. MORE
Business / Finance / Nonsystematic Risk: Nonmarket or firm-specific risk factors that can be eliminated by diversification. Also called unique risk or diversifiable risk. Systematic risk refers to risk factors common to the entire economy. MORE
Business / Agriculture / North American Industry Classification System (NAICS): Standard industrial classification codes have been replaced in the 1997 Census of Agriculture by the new North American Industry Classification System (NAICS). NAICS is a unique, all-new system for cl MORE
Science / Biology / Open Circulatory System: A system in which the circulating fluid is not enclosed in vessels at all times; found in insects, crayfish, some mollusks, and other invertebrates. MORE