abacus

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UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈæbəkəs/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈæbəkəs/ ,USA pronunciation: respelling(abə kəs, ə bakəs)


Inflections of 'abacus' (nnoun: Refers to person, place, thing, quality, etc.):
abacuses
nplplural noun: Noun always used in plural form--for example, "jeans," "scissors."
abaci
nplplural noun: Noun always used in plural form--for example, "jeans," "scissors."

WordReference Random House Learner's Dictionary of American English © 2020
ab•a•cus /ˈæbəkəs/USA pronunciation   n.[countable]pl.  ab•a•cus•es, ab•a•ci 
    /ˈæbəˌsaɪ, -ˌkaɪ/.USA pronunciation  
  1. a device for calculating, made of a frame with rods on which balls or beads are moved.

WordReference Random House Unabridged Dictionary of American English © 2020
ab•a•cus  (abə kəs, ə bakəs),USA pronunciation n., pl.  ab•a•cus•es, ab•a•ci 
    (abə kəs, ə bakəs),USA pronunciation 
  1. a device for making arithmetic calculations, consisting of a frame set with rods on which balls or beads are moved.
  2. Architecture Archit. a slab forming the top of the capital of a column. See diag. under  column. 
  • Greek ábax
  • Latin: board, counting board, re-formed
  • Middle English 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::
abacus /ˈæbəkəs/ n ( pl -ci / -ˌsaɪ/, -cuses)
  1. a counting device that consists of a frame holding rods on which a specific number of beads are free to move. Each rod designates a given denomination, such as units, tens, hundreds, etc, in the decimal system, and each bead represents a digit or a specific number of digits
Etymology: 16th Century: from Latin, from Greek abax board covered with sand for tracing calculations, from Hebrew ābhāq dust
'abacus' also found in these entries:
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