Origin: Latin suffix -tion
Augmentation has 4 different meanings across 1 category:
the amount by which something increases
"The augmentation in his salary was substantial enough to cover all of his new living expenses."
the statement of a theme in notes of greater duration (usually twice the length of the original)
"In the baroque fugue, the second voice enters with an augmentation of the subject, doubling its note values to create a majestic counterpoint."
the act of augmenting
"The recent investment in new machinery served as a significant augmentation to our factory's production capacity."
The act or process of augmenting.
"The company viewed the recent software update as a significant augmentation to their existing security protocols."
In plain English: Augmentation is making something bigger, better, or stronger by adding to it.
"The software update included an augmentation that made voice recognition much more accurate."
The word comes from the Latin augmentātiō, which is a verbal noun derived from the verb augmentō meaning "to increase." It entered English via Middle English and Old French with this same sense of growth or addition.