Having the same molecular formula, but possessing a different bonding structure and different properties; as, methyl ether and ethyl alcohol are metameric compounds. See Isomeric.

The term used to describe the visual perception phenomenon where spectrally different sources blend into a third chroma. For example, Sir Isaac Newton discovered that people perceive white when observing mixed blue and yellow light.

Of or pertaining to a metamere or its formation; as, metameric segmentation.

segmental; from above to below, following one another in a step-like fashion.

having the body divided into successive metameres or segments, as in earthworms or lobsters