|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a chattering or flighty, light-headed person.|
|1.||external conditions or surroundings, esp those in which people live or work|
|2.||ecology the external surroundings in which a plant or animal lives, which tend to influence its development and behaviour|
|3.||the state of being environed; encirclement|
|4.||computing an operating system, program, or integrated suite of programs that provides all the facilities necessary for a particular application: a word-processing environment|
environment en·vi·ron·ment (ěn-vī'rən-mənt, -vī'ərn-)
The totality of circumstances surrounding an organism or group of organisms, especially the combination of external physical conditions that affect and influence the growth, development, and survival of organisms.
|environment (ěn-vī'rən-mənt) Pronunciation Key
All of the biotic and abiotic factors that act on an organism, population, or ecological community and influence its survival and development. Biotic factors include the organisms themselves, their food, and their interactions. Abiotic factors include such items as sunlight, soil, air, water, climate, and pollution. Organisms respond to changes in their environment by evolutionary adaptations in form and behavior.