large in spatial extent or range or scope or quantity; "an extensive Roman settlement in northwest England"; "extended farm lands"; "surgeons with extended experience"; "they suffered extensive damage"
of agriculture; increasing productivity by using large areas with minimal outlay and labor; "producing wheat under extensive conditions"; "agriculture of the extensive type"
the complex of emotional and intellectual attributes that determine a person's characteristic actions and reactions; "it is his nature to help others"
the essential qualities or characteristics by which something is recognized; "it is the nature of fire to burn"; "the true nature of jealousy"
a particular type of thing; "problems of this type are very difficult to solve"; "he's interested in trains and things of that nature"; "matters of a personal nature"
the natural physical world including plants and animals and landscapes etc.; "they tried to preserve nature as they found it"
a causal agent creating and controlling things in the universe; "the laws of nature"; "nature has seen to it that men are stronger than women"
the area around the eastern Mediterranean; from Turkey to northern Africa and eastward to Iran; the site of such ancient civilizations as Phoenicia and Babylon and Egypt and the birthplace of Judaism and Christianity and Islam; had continuous economic and political turmoil in the 20th century; "the Middle East is the cradle of Western civilization"
instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer"
the living body considered as made up of interdependent components forming a unified whole; "exercise helped him get the alcohol out of his system"
a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion"
a complex of methods or rules governing behavior; "they have to operate under a system they oppose"; "that language has a complex system for indicating gender"
a procedure or process for obtaining an objective; "they had to devise a system that did not depend on cooperation"
a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going"
(physical chemistry) a sample of matter in which substances in different phases are in equilibrium; "in a static system oil cannot be replaced by water on a surface"; "a system generating hydrogen peroxide"
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter