intrathecal

[ in-truh-thee-kuhl ]

/ ˌɪn trəˈθi kəl /

Save This Word!

adjective

Anatomy. situated within the thecal sac: covering the spinal cord.

Medicine/Medical. administered into the thecal sac: intrathecal injections.

noun

Pharmacology. anesthesia administered into the thecal sac: She was given an intrathecal during labor.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

TAKE THE QUIZ TO FIND OUT

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar help

Improve Your Writing

Meet Grammar CoachImprove Your Writing

Origin of intrathecal

First recorded in 1885–90; intra- + theca + -al¹

OTHER WORDS FROM intrathecal

in·tra·the·cal·ly, adverb

Words nearby intrathecal

intraspecies, intraspecific, intraspinal, intrastate, intratelluric, intrathecal, intrauterine, intrauterine amputation, intrauterine contraceptive, intrauterine device, intrauterine fracture