acellular
Americanadjective
-
being without cells.
-
composed of tissue not divided into separate cells, as striated muscle fibers.
adjective
Etymology
Origin of acellular
Vocabulary lists containing acellular
Microbiology - High School
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Microbiology - Middle School
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Because the exoskeleton is acellular, arthropods must periodically shed their exoskeletons because the exoskeleton does not grow as the organism grows.
From Textbooks • Jun. 9, 2022
The team concluded that protection waned 27% per year after children's fifth dose of the acellular vaccine, which is given between ages 4 and 6.
From Science Magazine • Apr. 18, 2019
That is far lower than the 87 percent vaccination rates for the Tdap vaccine, which prevents tetanus, diptheria and acellular pertussis.
From Salon • Feb. 6, 2017
So the uptick strongly suggested that the acellular vaccine’s effects were wearing off year-by-year as the kids got older—long before anyone had anticipated.
From Slate • Sep. 5, 2012
By contrast, the so-called acellular slime molds do not form slugs.
From New York Times • Oct. 3, 2011
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.