Polymer

Polymer

A natural or synthetic chemical compound of high molecular weight consisting of long chain of repeating structural units of smaller molecular weight which may be identical or different.

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Part of Speech: noun
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Industry/Domain: Agriculture
Category: Rice science
Company: IRRI
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Related terms

polymer

Science; General science

A substance having large molecules consisting of repeated units (the monomers).

polymer

Pollution control; Air pollution

Natural or synthetic chemical compounds composed of up to millions of repeated linked units, each of a relatively light and simple molecule.

polymer

Natural environment; Coral reefs

A compound of high molecular weight consisting of up to millions of repeated linked light and simple molecules.

polymer

Industrial machinery; Industrial lubricants

A substance formed by the linkage (polymerization) of two or more simple, molecules, called monomers, to form a single larger molecule having the same elements in the same ...

polymer

Building materials; Wood flooring

A very large molecule that is made of smaller units called monomers. In acrylic floor finishes, it is an acrylic or acrylic/styrene polymer that eventually forms the film.

polymer

Biology; Cell biology

Organic molecule composed of smaller units known as monomers. A large molecule composed of smaller subunits, for example starch is a polymer of glucose, proteins are polymers of ...

watershed

Agriculture; Rice science

The total area from which a single river collects surface water runoff; the catchment or drainage area of a river system.

watershed degradation

Agriculture; Rice science

A marked deterioration in the hydrological behavior of a river system which reduces the potential of land and water by causing a water flow of inferior quality, quantity and ...

waterlogging

Agriculture; Rice science

Impeded drainage; or soil saturated with water but not necessarily with standing water.

waterlogged field

Agriculture; Rice science

A field which continuously has standing water and cannot be drained. The water level may not be deep.

water use efficiency

Agriculture; Rice science

1). Expressed in terms of dry matter or harvested portion of the crop produced per unit of water consumed. 2). Ratio of the water used for evapotranspiration, seepage, and ...