Science

Gyrus Definition Gyrus is a rounded ridge, as on the surfaces of the cerebral hemispheres. It is a convolution on the surface of a cerebral…

Ultraviolet Catastrophe Definition Ultraviolet Catastrophe refers to a paradox that emerged in scientists’ understanding of the way light is emitted by black bodies that exist…

Benzoic Acid Definition Benzoic acid is a white, crystalline acid used in preserving food, as a cosmetic, and in medicine. Benzoic acid consists of a…

Butyric Acid Definition Butyric acid is a carboxylic acid existing in two isomeric forms, one of which produces the smell in rancid butter or plant…

Orbitofrontal Cortex Definition Orbitofrontal Cortex (OFC) is a structure in which multiple sensory information and reward information converge. It is a prefrontal cortex region in…

Forces Classifications Force definition: A force is a push or pull on an object. This push or pull comes from the objects interacting with one…

Carboxylic Acid Definition Carboxylic acid is an organic acid containing one or more carboxyl groups (C(=O)OH). The carboxyl (COOH) group is so-named because of the…

Pineal Gland Definition Pineal Gland is a small gland located near the brain and primarily involved in the production and secretion of the hormone melatonin,…

Nasal Cavity Definition Nasal cavity the cavity on either side of the nasal septum, extending from the nares to the pharynx, and lying between the…

Force Definition Force is a dynamic influence that changes a body from a state of rest to one of motion or changes its rate of…

Pheromone Definition Pheromone is a chemical secreted by an animal that influences the behavior or development of other members of the same species. Queen bees,…

Acetic Acid Definition Acetic Acid (CH3COOH) is a clear, colorless organic acid having a distinctive pungent odor. It is used as a solvent and in…