ABACUS meaning: Ancient calculator using beads, rods

We found 45 dictionaries that define the word abacus:

General (30 matching dictionaries)

abacus: Merriam-Webster
abacus: Oxford Learner's Dictionaries
abacus: American Heritage Dictionary of the English Language
abacus: Collins English Dictionary
abacus: Vocabulary.com
Abacus, abacus: Wordnik
abacus: Cambridge Advanced Learner's Dictionary
abacus: Wiktionary
abacus: Webster's New World College Dictionary, 4th Ed.
abacus: The Wordsmyth English Dictionary-Thesaurus
abacus: Infoplease Dictionary
Abacus, abacus: Dictionary.com
abacus: Online Etymology Dictionary
abacus: Cambridge Essential American English Dictionary
AbacuS, Abacus (architecture), Abacus (disambiguation), Abacus (journal), Abacus: Wikipedia, the Free Encyclopedia
Abacus: Online Plain Text English Dictionary
abacus: Webster's Revised Unabridged, 1913 Edition
abacus: Rhymezone
Abacus: AllWords.com Multi-Lingual Dictionary
abacus: Webster's 1828 Dictionary
abacus: Stammtisch Beau Fleuve Acronyms
abacus: FreeDictionary.org
abacus: Mnemonic Dictionary
abacus: TheFreeDictionary.com
abacus: Wikimedia Commons US English Pronunciations
Abacus: Dictionary of Phrase and Fable (1898)
abacus: Longman Dictionary of Contemporary English
abacus: Merriam-Webster

Art (2 matching dictionaries)

abacus: ArtLex Lexicon of Visual Art Terminology
ABACUS: The Britannia Lexicon (Middle Ages Glossary)

Business (2 matching dictionaries)

Travel Industry Dictionary (No longer online)
Accounting, Business Studies and Economics Dictionary (No longer online)

Computing (1 matching dictionary)

Abacus (Aztec), Abacus (mathematics), abacus: Encyclopedia

Medicine (1 matching dictionary)

online medical dictionary (No longer online)

Miscellaneous (3 matching dictionaries)

Abacus: Castle Terms
ABACUS: Acronym Finder
AbbreviationZ (No longer online)

Science (3 matching dictionaries)

Archaeology Wordsmith (No longer online)
Abacus: Eric Weisstein's World of Mathematics
abacus: PlanetMath Encyclopedia

Slang (1 matching dictionary)

abacus: Urban Dictionary

Tech (2 matching dictionaries)

abacus: Glossary of Medieval Architecture
Urban Conservation Glossary (No longer online)

(Note: See abaci as well.)

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Definitions from Wiktionary (

)

▸ noun:  (historical, obsolete) A table or tray scattered with sand which was used for calculating or drawing.
▸ noun:  A device used for performing arithmetical calculations; (rare) a table on which loose counters are placed, or (more commonly) an instrument with beads sliding on rods, or counters in grooves, with one row of beads or counters representing units, the next tens, etc.
▸ noun:  (architecture) The uppermost portion of the capital of a column immediately under the architrave, in some cases a flat oblong or square slab, in others more decorated.
▸ noun:  (Ancient Greece, Ancient Rome, historical) A board, tray, or table, divided into perforated compartments for holding bottles, cups, or the like; a kind of buffet, cupboard, or sideboard.

Similar:

sandbin, sandpile, abbozzo, scantle, sandheap, sandbag, astragalomancy, batch, sand, deck, more...

Opposite:

calculator, calculator machine, computer

Types:

Japanese abacus, Chinese abacus, Soroban, Suanpan, Bead Frame, more...

Phrases:

abacus harmonicus, Roman abacus, Mental abacus, The Brave Little Abacus, Abacus Data, more...

Adjectives:

square, chinese, round, roman, ancient, japanese, circular, plain, simple, old, mental

Colors:

red, yellow, green, blue, orange, more...