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inoculum

American  
[ih-nok-yuh-luhm] / ɪˈnɒk yə ləm /

noun

plural

inocula
  1. the substance used to make an inoculation.


inoculum British  
/ ɪˈnɒkjʊləm /

noun

  1. med the substance used in giving an inoculation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of inoculum

1900–05; < New Latin, equivalent to inocul ( āre ) to inoculate + -um noun suffix

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.

They also compared the green roof fungal species identified to those present in the inoculum and in the air.

From Science Daily • Jan. 31, 2024

Inoculation, on the other hand, dates to 1714, in one sense referring to the act of injecting an "inoculum."

From Fox News • Nov. 29, 2021

"If you see more of a viral inoculum, your immune system needs to kick into gear, so you may get higher upper respiratory symptoms — mild, cold-like symptoms," Gandhi said.

From Salon • Jul. 28, 2021

So a little contamination can multiple over time and reach an inoculum that is infectious as time passes.

From New York Times • Mar. 30, 2018

Charge the platinum loop with a small quantity of the inoculum, observing the usual routine, and plant tube No. 1, smearing thoroughly all over the surface.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)