accumulate /ə-kūˈmū-lāt or -myə-/

1. To heap or pile up
2. To amass

1. To increase greatly
2. To go on increasing
3. To take university, etc degrees by accumulation, ie to take a higher degree at the same time as a lower, or at a shorter interval than usual (also transitive verb)

1. Heaped up
2. Amassed

accūmūlāˈtion noun

1. Heaping up
2. A heap or mass

accūmˈūlative adjective

1. Heaping up or growing by progressive addition
2. Cumulative
3. Tending to accumulate, acquisitive

accumˈulatively adverb

accumˈulativeness noun

accūmˈūlātor noun

1. A thing or person that accumulates
2. A means of storing energy, esp an electric battery that can be recharged by sending a reverse current through it
3. In a computer, etc, a device that performs arithmetical operations and stores the results
4. (also accumulator bet) a bet on at least two, and usu four or more, races with the original stake and winnings from each race being, by previous arrangement, laid on the next race, so that the gambler either wins a large amount or loses all

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