noun ·4 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   A glass or plastic test tube with a rubber stopper creating an internal vacuum, used to draw blood samples.

Synonyms

All synonyms

vial

Antonyms

All antonyms

vial

Etymology

Blend of vacuum + container, originally a trademark.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.