coni

coni — noun

1. a group of tropical sea snails that have hard, cone-shaped shells. Some types pr

1.名詞C2
釋義

a group of tropical sea snails that have hard, cone-shaped shells. Some types produce a poison that is strong enough to kill a person or cause serious harm.

例句

Ritu found a venomous coni shell washed up on the beach in Thailand.

countable noun in everyday context

The marine biologist catalogued rare coni shells from the tropical Pacific for the museum exhibit.

同義詞
  • cone snail

    the everyday name for snails in the Conidae family; coni is the taxonomic term

  • Conus

    the formal Latin genus name; always capitalised and italicised in scientific writing

文法句型

coni + [shell/species/genus]

用法筆記

In everyday English, the phrase cone snail is far more common than coni. Scientists use Coni (capitalised) when referring to the taxonomic genus. This sense rarely appears outside formal biological writing or museum descriptions.

常見錯誤

❌I saw a coni on the beach.' (when meaning a generic cone-shaped shell).
✅I saw a coni shell on the beach.
💡coni alone as a countable noun is unusual in general English; it is normally paired with shell, snail, or species.
❌The coni genus lives in cold water.
✅The coni genus lives in warm tropical oceans.
💡coni snails are found only in tropical and subtropical seas.

2. a cone-shaped passage in the heart of fish and amphibians that carries blood fro

2.名詞C2
釋義

a cone-shaped passage in the heart of fish and amphibians that carries blood from the ventricle to the artery leading to the gills or lungs.

例句

The doctor showed Xiu a model of the heart with the coni marked in blue.

coni marked in blue — visual identification context

Dr. Nakamura explained that in zebrafish embryos the coni forms before the atria appear.

embryonic development — developmental biology context

同義詞
  • conus arteriosus

    the full formal Latin name for this structure; more common in human anatomy

  • aortic cone

    an alternative descriptive English term, less common in modern textbooks

文法句型

the + coni

coni + of + [animal/body]

用法筆記

In human anatomy textbooks, the structure is more often called the conus arteriosus or the infundibulum. Coni alone is most common in comparative vertebrate anatomy and embryology, particularly when describing fish and amphibian hearts.

常見錯誤

❌The coni is a chamber of the heart.
✅The coni is a cone-shaped passage from the ventricle to the artery.
💡coni is a tubular structure, not a chamber that holds blood.