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| a chattering or flighty, light-headed person. |
| a fool or simpleton; ninny. |
rod (rŏd)
n.
A straight slender cylindrical formation.
A rod cell.
An elongated bacterium; a bacillus.
| rod (rŏd) Pronunciation Key
One of the rod-shaped cells in the retina of the eye of many vertebrate animals. Rods are more sensitive to light than cones and are responsible for the ability to see in dim light. However, rods are insensitive to red wavelengths of light and do not contribute greatly to the perception of color. Compare cone. |
rod definition
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