Nonagesimal is a word that relates to the number 90, or a division into 90 parts. The spelling of this word is phonetically represented in IPA as /nɒnəˈdʒɛsɪməl/. The stress falls on the second syllable, and the "g" is pronounced as a soft "j" sound. The word is derived from the Latin word "nonagesimus", meaning "ninetieth", and is commonly used in mathematics and geometry. The correct spelling is important to avoid confusion and ensure accurate communication.
Nonagesimal is an adjective that refers to something related to a unit consisting of ninety parts. It is often used in the context of time measurement, denoting a division of a period into ninety equal parts.
In trigonometry and circular measurement, nonagesimal is used to describe a system where angles are divided into ninety equal parts, with each part referred to as a nonage, making up a total of 360 nonages. This type of division is commonly associated with ancient civilizations like the Babylonians and Mayans, who used these divisions to determine various astronomical and temporal phenomena.
In a broader sense, nonagesimal can also describe any entity, system, or concept that pertains to the number ninety or is divisible by it. This could include mathematical operations, such as nonagesimal arithmetic, where calculations are based on a base of ninety rather than the decimal system of ten.
Nonagesimal comes from the Latin word "nonagesimus," meaning ninetieth, which, in turn, is derived from "nonaginta," meaning ninety. The suffix "-al" is commonly added to transform the word into an adjective form.
Overall, nonagesimal refers to the division, measurement, or association with ninety parts or units. It is a term often used in trigonometry, time measurement, and mathematics.
Denoting the ninetieth degree or highest point of the ecliptic at any instant.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word nonagesimal originated from the Latin term nonagesimus, which means ninetieth. The suffix -al is added to form an adjective. The Latin term nonagesimus came from the Latin word nonaginta, which translates to ninety. It is ultimately derived from the Prakrit language of ancient India, where the word navañga meant ninety. This term spread through other Indo-European languages and eventually reached Latin, where it evolved into nonaginta.