eucalyptus
UK[ˌjuːkəˈlɪptəs]US[ˌjuːkəˈlɪptəs]
n
a tall, fast-growing evergreen tree native to australia, with aromatic leaves and valued for its wood and oil.
n
the oil extracted from the leaves of this tree, used in medicine and as an antiseptic.
Morpheme Breakdown
eu
calypt
us
eu
good, well
calypt
covered
us
noun suffix
Etymology
the word 'eucalyptus' is a modern latin scientific name coined from greek elements. it combines 'eu-' (good, well) and 'kalyptos' (covered), a reference to the operculum, a cap-like structure that covers and protects the flower bud in these trees. the literal meaning, 'well-covered', describes this distinctive botanical feature. the name was formally established in the late 18th century by french botanist charles louis l'héritier de brutelle, who applied this descriptive classical compound to the genus. over time, the term evolved from a precise taxonomic label into the common name for these iconic australian trees and their products.
Analysis
Structure: eu (good, well) + calypt (covered) + us (noun suffix)
eu (greek origin, meaning 'good' or 'well', a prefix); calypt (from greek 'kalyptos', meaning 'covered', a root); us (latin noun suffix, often used in scientific names).
Examples
koalas feed almost exclusively on the leaves of the eucalyptus.
the strong, clean scent of eucalyptus oil filled the room.
vast plantations of eucalyptus were established for timber and pulp.