To save this word, you'll need to log in.
si·nu·soid | \ ˈsīn-yə-ˌsȯid 
, ˈsī-nə- \
, ˈsī-nə- \Definition of sinusoid
1 : sine curve, sine wave
2
[New Latin sinus] : a minute endothelium-lined space or passage for blood in the tissues of an organ (such as the liver)
Keep scrolling for more
Keep scrolling for more
More Definitions for sinusoid
sinusoid
nounsi·nu·soid | \ ˈsī-n(y)ə-ˌsȯid \
\Medical Definition of sinusoid
: a minute endothelium-lined space or passage for blood in the tissues of an organ (as the liver)
Other Words from sinusoid
sinusoidal \ ˌsī-n(y)ə-ˈsȯid-ᵊl \ adjective
\ adjectivesinusoidally \ -ᵊl-ē \ adverb
\ adverbComments on sinusoid
What made you want to look up sinusoid? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Intact Latin Quiz
- What did focus mean in Latin?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Intact Latin Quiz
What did each of these words mean to ancient Romans?
Take the quiz - The Eponym Quiz
Do you know these words that come from names?
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share sinusoid
Time Traveler for sinusoid
The first known use of sinusoid was in 1823
See more words from the same year