de·nu·mer·a·ble
(dĭ-no͞o′mər-ə-bəl, -nyo͞o′-)adj. Capable of being put into one-to-one correspondence with the positive integers; countable.
[From denumerate, to count, from Late Latin dēnumerāre, dēnumerāt-, alteration of Latin dīnumerāre : dī-, dis-, dis- + numerāre, to number; see numerate.]
de·nu′mer·a·bil′i·ty n.
de·nu′mer·a·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
denumerability
(dɪˌnjuːmərəˈbɪlɪtɪ) nthe quality of being countable
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014