Acorn
1. (Science: botany) The fruit of the oak, being an oval nut growing in a woody cup or cupule.
2. A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
Origin: as. Aecern, fr. Aecer field, acre; akin to D. Aker acorn, Ger. Ecker, Icel. Akarn, dan. Agern, goth. Akran fruit, akrs field; orig. Fruit of the field.
Acorn 1. (Science: botany) The fruit of the oak, being an oval nut growing in a woody cup or cupule. 2. A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head. Origin: as. Aecern, fr. Aecer field, acre; akin to D. Aker acorn, Ger. Ecker, Icel. Akarn, dan...
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
