American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Twentieth.
- adj. Proceeding or occurring in intervals of 20.
- adj. Based on or relating to 20.
Century Dictionary and Cyclopedia
- Based upon twenty.
GNU Webster's 1913
- adj. Twentieth; divided into, or consisting of, twenties or twenty parts.
- adj. relating to or based on the number twenty
- From Latin vīcēsimus. (Wiktionary)
- From Latin vīgēsimus, variant of vīcēsimus, twentieth, from vīgintī, twenty; see wīkm̥tī- in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
“America, are always thought of and alluded to as vigesimal scales.”
“Hence these and similar number systems, though commonly alluded to as vigesimal, are really mixed scales, with 20 as their primary base.”
“In a perfect vigesimal numeric system, third order should contain 400 days (20 x 20 x 1); but at this point Maya priests introduced a variant for calendar computation purposes.”
“They formulated the conception of zero, a vigesimal numerical system, and a calendar more accurate than the Julian.”
“Where fingers (and toes) formed the first auxiliary set for counting and provided a ready source for the first number names, a decimal (or vigesimal) system was the natural outcome if the system was later ex - tended in regular pattern.”
“But in both these instances the vigesimal element preponderates so strongly that these, in common with their kindred number systems of Mexico, Yucatan, and Central”
“The Maya scale is decimal through its first 20 numerals, and, if it is to be regarded as a mixed scale, must be characterized as decimal-vigesimal.”
“Among South American vigesimal systems, the best known is that of the”
“In its first 20 numerals it is quinary (see p. 141), and as a system must be regarded as quinary-vigesimal.”
“America render it possible to see some of the effects of vigesimal counting, just as a single thought will show how our entire lives are influenced by our habit of counting by tens.”
These user-created lists contain the word ‘vigesimal’.
Words to quiz the intermediate and advanced speller alike
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
The list of Wordnik words of the day.
how many words can I make mine this summer?
All the words from the cover of the Wordnik notebook.
A few words appear twice: frass, cruet, luna, thalweg, and possibly some more.
Careful: Contains spoilers!
Words I need to use more to increase my vocabulary.
Hecko, words! I’m so happy I’ve found you. I want to keep you all and never want to lose you again. I hope you like it here.
Word Depository 08
Looking for tweets for vigesimal.