hexadecimal
UK[ˌhɛksəˈdɛsɪməl]US[ˌhɛksəˈdɛsɪməl]
adj
Relating to or using a number system with a base of sixteen.
n
A number system using a base of sixteen, or a number expressed in this system.
Morpheme Breakdown
hexa
decimal
hexa
six
decimal
relating to ten
Etymology
The term "hexadecimal" is a modern hybrid construction, coined in the mid-20th century for computing. It combines the Greek prefix "hexa-" (six) with the Latin-derived "decimal" (relating to ten). The logic is somewhat paradoxical, as it literally means "sixteen-related" by adding six to ten. This reflects its purpose: to name a base-sixteen numeral system by analogy with the familiar base-ten "decimal" system. The word is a direct product of technical necessity, creating a precise label for a numerical system fundamental to representing binary-coded data in a more human-readable form.
Analysis
Structure: hexa (six) + decimal (relating to ten)
- hexa: From Greek hex (ἕξ), meaning "six". In this word, it functions as a numerical prefix.
- decimal: From Latin decimus, meaning "tenth", related to decem (ten). In this word, it functions as the base element denoting a numeral system.
Examples
Programmers often use hexadecimal notation to represent memory addresses.
The color code #FF5733 is written in hexadecimal format.
Converting a decimal number to hexadecimal requires dividing by sixteen repeatedly.