nematode
Meaning
A type of very small worm with a long, thin, cylindrical body, many of which are parasites that live in plants or animals.
Structure
Usage
The roots were infested with parasitic nematodes.
Nematodes are among the most abundant multicellular animals on Earth.
Scientists studied the nematode Caenorhabditis elegans as a model organism.
Etymology
The word 'nematode' is a modern scientific compound derived directly from Greek components. The first element, 'nema' (thread), refers to the characteristic long, slender, and unsegmented body shape of these worms. The second element, '-tode', is a variant of the Greek suffix '-oeidēs', meaning "having the form of". Thus, the term literally translates to "thread-like form", a perfectly descriptive name coined in the 19th century for this phylum of worms. This naming follows a classical tradition in taxonomy, where physical morphology is captured elegantly through Greco-Latin roots.
Analysis
nema: From Greek 'nēma' (genitive 'nēmatos'), meaning "thread". It functions as the core root indicating a thread-like shape. tode: From Greek '-oeidēs', meaning "form, shape, resemblance". It is a suffix used to form adjectives and nouns denoting a specific form or likeness.