adv. [f. FUNCTIONAL a. + -LY2.] In a functional manner; with respect to the functions; in the discharge of the functions.

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1820.  W. Lawrence, Lect., ii. 163. The organ is said to be functionally disordered.

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1846.  Owen, Brit. Fossil Mammals & Birds, 433. The horned Ruminants for example, manifest transitorily, in the embryo-state, the germs of upper incisors and canines, which disappear before birth, but which were retained and functionally developed in the cloven-footed Anoplothere.

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1854.  Woodward, Mollusca (1856), 256. Its muscle becomes (functionally) an adductor.

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1879.  H. Spencer, Data of Ethics, xi. 188. Functionally produced modifications.

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1882.  Vines, Sachs’ Bot., 919. The male organs of species-hybrids are functionally weak to a higher degree than the female organs.

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