hydroplane
UK[ˈhaɪdrəʊpleɪn]US[ˈhaɪdroʊpleɪn]
n
A light, fast motorboat designed to skim over the surface of water.
n
A horizontal surface on a submarine or boat that can be angled to control upward or downward movement while submerged.
v
(of a vehicle) To slide uncontrollably on a wet surface.
v
(of a boat) To skim over the surface of water with its hull raised.
Morpheme Breakdown
hydro
plane
hydro
water
plane
flat surface/glide
Etymology
The word "hydroplane" is a modern compound formed from two classical roots. The first element, "hydro-," originates from the Greek hydōr, meaning "water," a term with deep Proto-Indo-European ancestry in \wed-, the source for words related to water. The second element, "-plane," derives from the Latin planus, meaning "flat" or "level," which evolved to denote flat surfaces and the act of gliding. When combined in the late 19th century, the term's literal logic—"to glide on water"—perfectly described the new technology of fast, flat-bottomed boats. This core concept later extended metaphorically to describe similar gliding motions, whether a car skidding on a wet road or a submarine's control surface moving through water.
Analysis
Structure: hydro (water) + plane (flat surface/glide)
- hydro: From Greek hydōr (water). A combining form meaning "water" or "hydrogen."
- plane: From Latin planus (flat, level). A combining form meaning "a flat surface" or "to glide."
Examples
The racing hydroplane skimmed across the lake at incredible speed.
The driver lost control, causing the car to hydroplane on the slick highway.
The submarine adjusted its hydroplanes to begin its descent.