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analeptic

n. any stimulant other than amphetamines that produces subjective effects similar to those caused by amphetamine use. These effects may include alertness, elevated mood, increased energy, decreased appetite, irritability, and insomnia. The group includes diethylpropion, methylphenidate, and pemoline. See also appetite suppressant.

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Psychology term of the day

February 21st 2025

allophone

allophone

n. in linguistics, any of several slightly different speech sounds that are regarded as contextual variants of the same phoneme. For example, in English the aspirated [p] sound at the beginning of paid and the unaspirated [p] sound in spade have no contrastive function in the phonological system of the language and are therefore regarded as allophones of the same phoneme, /p/. —allophonic adj.