sedimentation
UK[ˌsɛdɪmɛnˈteɪʃən]US[ˌsɛdəmənˈteɪʃən]
n
The process in which solid particles in a liquid or gas settle slowly to the bottom.
n
The material that settles at the bottom of a liquid; sediment.
Morpheme Breakdown
sediment
ation
sediment
settle
ation
action/process
Etymology
The word's journey begins with the Proto-Indo-European root sed-, meaning "to sit." This concept evolved into the Latin verb sedere, "to sit," which gave rise to sedimentum, literally "a settling" or "that which sits down." The English word "sediment" was borrowed from this Latin source. By adding the noun-forming suffix "-ation," which denotes an action or process, the modern abstract term "sedimentation" was created. Thus, the word's logic perfectly captures the scientific process: the action of particles "sitting down" or settling out of a fluid.
Analysis
Structure: sediment (settle) + ation (action/process)
- sediment: From Latin sedimentum (a settling), from sedere (to sit, settle). Acts as the core root noun.
- ation: A suffix of Latin origin (-ationem), forming nouns meaning "the action or process of".
Examples
The river's slow flow allows for the sedimentation of fine silt.
Geologists study rock layers formed by sedimentation over millions of years.
A common water treatment step involves sedimentation to remove suspended solids.