螅 (xī) - Hydroid — refers to hydroid polyps, small aquatic & often appears in biological terms.

螅Tone 1

xī ｜ 16 strokes ｜ radical:

万响

螅 · xī

Hydroid — refers to hydroid polyps, small aquatic animals related to jellyfish and corals;

often appears in biological terms.

Hydroid — refers to hydroid polyps, small aquaticoften appears in biological terms.

Usage highlights

hydroidhydroid polyphydroid colonyhydroid stagehydroid specieshydroid tentacles

Synonyms

  • 水螅— hydroid (most common term)

Usage & contexts

Examples

  • The hydroid colony (螅体) attaches to rocks.
  • Hydra is a freshwater hydroid (水螅).
  • Hydroid polyps (螅形目) are studied in marine biology.
  • The hydroid stage (螅状体) precedes medusa formation.

Collocations

  • hydroid(水螅)
  • hydroid polyp(螅形体)
  • hydroid colony(螅体群体)
  • hydroid stage(螅状体时期)
  • hydroid species(螅种)
  • hydroid tentacles(螅触手)

Idioms

  • Hydra vulgaris(普通水螅)
  • Hydroidolina subclass(花水螅亚纲)
  • Hydroida order(水螅目)

Cultural background

FAQ
  • 螅 is a specialized character used almost exclusively in biological contexts, particularly marine biology.
  • The character combines the insect radical 虫 with 息 (breath/rest), suggesting small living creatures.
  • It appears mainly in scientific literature and is rarely used in everyday language or names.

FAQ