Related Words

Embryonic Stem (ES) Cells: An embryonic cell that can replicate indefinitely, transform into other types of cells, and serve as a continuous source of new cells.

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.

NT File System (NTFS): One of the file system for the Windows NT operating system (Windows NT also supports the FAT file system). NTFS has features to improve reliability, such as transaction logs to help recover . . . View Full Definition

O-Stem: A class of Old English nouns with feminine gender.

Open System: A system that can be adjusted for new functions or purposes, and hence produce new and unpredicted results. Human language is an example of an open system. To a lesser extent, so is XML code . . . View Full Definition

Operating System (OS): The most important program that runs on a computer. Every general-purpose computer must have an operating system to run other programs. Operating systems perform basic tasks, such as recogni . . . View Full Definition

Open Systems Interconnection (OSI): A reference model developed by the International Organization of Standardization. It splits networking into seven layers which provide specific services and communications standards.

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 sys . . . View Full Definition

Nonsystematic Risk: Nonsystematic risk results from unpredictable factors, such as poor management decisions, successful competitive products, or suddenly obsolete technologies that may affect the securities is . . . View Full Definition

National Television System Committee (NTSC): Refers to the standards used for video broadcast and playback signal parameters in the U.S. Japan and other countries. Alternative systems used in Europe and some Asian countries are PAL and SECAM.