naiad
naiad — noun
- naiadsingular
- naiadsplural
1. In ancient Greek stories, a female nature spirit who lives in and watches over a
In ancient Greek stories, a female nature spirit who lives in and watches over a river, lake, spring, or other body of fresh water.
Adina's grandmother told her stories of the naiad who guarded the village spring.
People built the temple beside a fountain that was said to be a naiad's home.
mythology: naiad as guardian of a water source
In Greek myths, a naiad could help or harm people who mistreated her water.
Sofie painted a picture of a naiad sitting among the reeds of a quiet lake.
The poet wrote of the river guarded by a mysterious naiad.
- water nymph
the broader, more common English term for any female water spirit; naiad is specific to fresh water
用法筆記
In modern usage, 'naiad' appears mainly in discussions of Greek mythology, classical literature, and fantasy writing.
常見錯誤
2. A type of water plant from the Najas family that grows fully under the surface o
A type of water plant from the Najas family that grows fully under the surface of lakes, streams, and ponds, with very thin, narrow leaves and tiny flowers.
The shallow pond was full of naiad, which provided shelter for small fish.
biology: naiad as submerged aquatic plant
Nkechi collected samples of the naiad plant for her biology project on water vegetation.
Dense patches of naiad keep the water clean by absorbing nutrients from the mud.
The gardener warned that too much naiad could clog boat propellers in shallow lakes.
- Najas
the scientific genus name; used in botanical writing
用法筆記
This sense is primarily a technical botanical term. In everyday speech, most people say 'water plant' or 'aquatic plant' instead.
常見錯誤
3. The water-dwelling immature stage of certain insects — especially dragonflies, d
The water-dwelling immature stage of certain insects — especially dragonflies, damselflies, and mayflies — before they develop wings, breathe air, and leave the water as flying adults.
The children spotted a naiad in the stream and watched it crawl over the stones.
habitat: naiad living under water in a stream
Brandon watched a naiad climb out of the pond and slowly turn into a dragonfly.
metamorphosis: naiad emerging from water
Under the microscope, the naiad looked completely different from the flying insect it would become.
A damselfly naiad has three flat, leaf-shaped gills at its tail for breathing underwater.
Sora found a mayfly naiad clinging to a rock in the shallow river water.
- aquatic nymph
the broader biological term for any insect in its water-dwelling immature stage; naiad is more specific to certain orders
- nymph
general term for an immature insect that resembles the adult but lacks wings; 'naiad' specifically adds the aquatic habitat and is mainly used for dragonflies, damselflies, and mayflies
用法筆記
In technical entomology, 'naiad' is usually reserved for the nymphs of Odonata (dragonflies and damselflies) and Ephemeroptera (mayflies), whose aquatic immature stage has distinct features such as visible wing buds and external gills. In non-specialist writing, the term is sometimes used more loosely for any water-dwelling insect nymph.