Dictionary > Fulcrum

Fulcrum

Fulcrum
Origin: L, bedpost, fr. Fulcire to prop.
1. A prop or support.
2. (Science: mechanics) That by which a lever is sustained, or about which it turns in lifting or moving a body.
3. (Science: botany) An accessory organ such as a tendril, stipule, spine, and the like.
4. (Science: entomology, zoology) The horny inferior surface of the lingua of certain insects. One of the small, spiniform scales found on the front edge of the dorsal and caudal fins of many ganoid fishes.
5. (Science: anatomy) The connective tissue supporting the framework of the retina of the eye.


You will also like...

Plant biology
Plant Biology

Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

Transpiration
Water in Plants

The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..

river
Running Water Freshwater Communities

This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

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..

Physiological Homeostasis
Physiological Homeostasis

Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..

running freshwater community
Running Water Freshwater Community Factors

This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..