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amorous generally inclined to feeling romantic love, or inclined at a particular time to engage in romantic or sexual activity. [2 definitions]
amorphous lacking definite form, shape, or character. [2 definitions]
amortize to deduct (expenditures) by fixed amounts over a period of time. [2 definitions]
Amos according to the Old Testament, a minor Hebrew prophet of the eighth century B.C. [2 definitions]
amount quantity; measure. [4 definitions]
amour a love affair, esp. a secret one.
amour-propre (French) self-love; self-esteem.
amoxicillin a semisynthetic penicillin.
amp ampere.
amperage the magnitude of an electrical current, expressed in amperes.
ampere a unit of electrical current that refers to the quantity of current that passes through a resistor of one ohm when a potential of one volt is applied, equal to one coulomb per second. (abbr.: A, amp)
ampersand a sign (&) that represents the word "and".
amphetamine a drug that stimulates the central nervous system, depressing appetite and heightening activity.
amphi- two; both; on two sides. [2 definitions]
amphibian any cold-blooded vertebrate, such as a frog or salamander, that has aquatic gill-breathing larvae and terrestrial lung-breathing adults. [4 definitions]
amphibious able to live both on land and in water. [3 definitions]
amphibole any of a number of hydrous silicate minerals, such as hornblende, that mostly comprise various combinations of magnesium, calcium, sodium, iron, and aluminum.
amphioxus a tiny fishlike marine organism characterized by a primitive vertebra and dorsal nerve tissue; lancelet.
amphiprostyle having a row of columns at each end but none along the sides, as an ancient Greek temple.
amphitheater an arena or stadium consisting of tiers of seats rising outward from an open central area, used for performances, contests, and the like. [2 definitions]
amphitheatre a spelling of amphitheater used in Canada and Britain. See amphitheater for more information.