microprobe
UK[ˈmaɪkrəʊˌprəʊb]US[ˈmaɪkroʊˌproʊb]
n
a very fine probe, especially one used in a scanning electron microscope to analyze the chemical composition of a minute area of a material.
n
a device or technique using such a probe for microanalysis.
Morpheme Breakdown
micro
probe
micro
extremely small
probe
investigating device
Etymology
the term 'microprobe' is a modern scientific compound, forged in the mid-20th century from classical roots to describe a new technological instrument. the first element, 'micro-', derives from the ancient greek 'mikros', meaning small, a root pervasive in scientific vocabulary to indicate minute scale. the second element, 'probe', originates from the latin 'probare' (to test), entering english via late latin 'proba' (a proof) and later signifying a physical instrument for investigation. the literal combination, "a device for testing the small," perfectly captures the instrument's function of performing chemical analysis on microscopic sample areas, demonstrating how ancient roots are logically recombined to name precise contemporary concepts.
Analysis
Structure: micro (extremely small) + probe (investigating device)
- micro: from greek 'mikros', meaning 'small'. a combining form used in english to denote something extremely small in scale.
- probe: from latin 'probare', meaning 'to test or prove'. in english, it denotes a device used to physically explore or investigate.
Examples
the geologist used a microprobe to determine the elemental composition of the rare mineral inclusion.
microprobe analysis revealed trace amounts of nickel in the steel sample.
advancements in microprobe technology allow for mapping chemical distributions at a sub-micrometer scale.