English Dictionary

spicule

noun

A sharp, needle-like piece. / A tiny glass flake formed during the manufacture of glass vials

The scientist observed the spicule under the microscope.

意味（1）

A sharp, needle-like piece.

意味（2）

A tiny glass flake formed during the manufacture of glass vials

意味（3）

(biology) Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges.

Tear it up, and put a fragment under the microscope, and, wonder of wonders! see the maze of geometric forms exhibited in the bones of the creature; for who can help regarding the spicules as bones, even though a sponge be invertebrate?

意味（4）

A needle-like mating structure found only in male nematodes.

意味（5）

(astronomy) A jet of matter ejected from the photosphere of the sun.

意味（6）

A small spike of flowers.