conservation

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con·ser·va·tion

(kon'ser-vā'shŭn),
1. Preservation from loss, injury, or decay.
2. In sensorimotor theory, the mental operation by which a person retains the idea of an object after its removal in time or space.
3. Presence of a gene in two different organisms.
4. The retention of structure with a variation in the environment, genetics, or other conditions.
[L. conservatio, a preserving, keeping]

conservation

(kon?ser-va'shon) [L. conservatio, keeping, preserving]
A cognitive principle, first described by Piaget, indicating that a certain quantity remains constant despite the transformation of shape. Children develop conservation ability for number, length, liquid amount, solid amount, space, weight, and volume.

breast conservation

Breast-conserving therapy.

conservation

the preservation, protection and management of an environment which takes into account recreational and aesthetic needs, in addition to preserving as much as possible of the natural fauna and flora and allowing for the harvesting of natural resources and agriculture. This necessitates the sensible planning of what is taken from the environment in terms of the yield of plants, animals and materials, whilst at the same time maintaining as much natural habitat as possible, and thus the largest possible GENE POOL.

con·ser·va·tion

(konsĕr-vāshŭn)
1. Preservation from loss, injury, or decay.
2. Retention of structure with a variation in environment or other conditions.
References in periodicals archive ?
Today, as honorary founding president and an active member of the Student Conservation Association (SCA), Putnam has indeed put in over four decades of extra credit.
Some 75 percent of SCA's funding is provided by conservation agencies; a healthy membership base of 23,000 and contributions from public-spirited corporations and foundations make up the balance.
when a committee suggested establishing a conservation easement along a dry creek bed that meanders through the back sections of their lots.