Dictionary > Dredge

Dredge

Dredge
1. Any instrument used to gather or take by dragging; as: a dragnet for taking up oysters, etc, from their beds. A dredging machine. An iron frame, with a fine net attached, used in collecting animals living at the bottom of the sea.
2. (Science: chemical) Very fine mineral matter held in suspension in water.
Origin: f. Drege, dreige, fish net, from a word akin to E. Draw; cf. D. Dreg, dregge, small anchor, dregnet dragnet. See Draw.


You will also like...

Human Nervous System
The Human Nervous System

The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

The Human Physiology
The Human Physiology

Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

Lake Wakatipu, New Zealand
New Zealand’s Unique Geographical History

Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..

DNA - schematic
Genetic Mutations

This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..

kinesin motor proteins transporting molecules across microtubules
Movement of Molecules Across Cell Membranes

Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..

Structural depiction of catalase, an enzyme
Protein Activity and Cellular Metabolism

Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..