incompressible
UK[ˌɪnkəmˈprɛsɪb(ə)l]US[ˌɪnkəmˈprɛsəb(ə)l]
adj
Not able to be compressed or reduced in volume by pressure.
adj
(of a fluid) Having a density that remains constant under pressure.
Morpheme Breakdown
in
compress
ible
in
not
compress
press together
ible
capable of being
Etymology
The word 'incompressible' is a logical construction built from Latin components to describe a physical property. Its core, 'compress', originates from the Latin verb comprimere, which literally meant "to press together". The suffix '-ible', also from Latin, was added to form 'compressible', meaning "able to be pressed together". Finally, the negative prefix 'in-' (a common Latin negation) was attached to create the opposite meaning. Thus, the term's etymology transparently follows the path: "not" + "able to be" + "pressed together", perfectly capturing its modern scientific definition of resistance to reduction in volume under force.
Analysis
Structure: in (not) + compress (press together) + ible (capable of being)
- in: Latin origin, a prefix meaning "not" or "without".
- compress: From Latin compressus, the past participle of comprimere ("to press together"), from com- ("together") + premere ("to press"). It functions as the core verb root.
- ible: Latin suffix -ibilis, indicating capability or susceptibility, forming adjectives meaning "able to be".
Examples
Water is often treated as an incompressible fluid in basic hydraulic calculations.
The new foam material is remarkably incompressible, even under immense weight.
A truly incompressible substance is a theoretical concept, as all matter can be compressed to some degree.