illustration
UK[ˌɪl.əˈstreɪ.ʃən]US[ˌɪl.əˈstreɪ.ʃən]
n
A picture, diagram, or drawing used to explain or decorate a text.
n
The act or process of making something clear or explaining it, often by using examples.
n
An example or instance that helps to explain or prove something.
Morpheme Breakdown
illustr
ation
illustr
bright, clear
ation
noun suffix
Etymology
The word 'illustration' originates from the Latin verb illustrāre, meaning 'to light up, illuminate, or make bright,' which itself is derived from in- (upon) and lustrāre (to make bright or pure). The core logic connects the physical act of shedding light on something with the metaphorical act of making a subject clear or understandable. Over time, this sense of clarification evolved in two primary directions: the process of explaining via examples and the visual representation that 'illuminates' a text. Thus, the modern meanings of a clarifying picture and a clarifying example both stem from this original concept of bringing intellectual or visual light to a subject.
Analysis
Structure: illustr (bright, clear) + ation (noun suffix)
illustr: From Latin illustrāre (to light up, make bright, make clear). In this word, it functions as the core root conveying the sense of clarification or visual enlightenment.
ation: A suffix of Latin origin (-ātiōn-) used to form nouns indicating an action, process, or result.
Examples
The textbook is full of colorful illustrations that help explain complex scientific concepts.
By way of illustration, the professor described several historical case studies.
Her career began with book illustration before she moved into fine art.