archaea
1 Americanplural noun
singular
archaeonnoun
Etymology
Origin of archaea1
First recorded in 1985–90; from New Latin, from Greek archaîa, neuter plural of archaîos “ancient”; archaeo- ( def. )
Origin of Archaea2
First recorded in 1990–95; from New Latin; archaea ( def. )
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.
The organism is a methane producing member of a group of microbes known as Archaea.
From Science Daily
Archaea that consume methylamines, along with certain bacteria that may have acquired the same ability, play an important role in human health.
From Science Daily
For years, scientists have known that many Archaea can produce pyrrolysine, giving them 21 amino acids to work with instead of the usual 20.
From Science Daily
In the new study, Nayak and former graduate student Katie Shalvarjian surveyed a wide range of Archaea and found that many lineages produce pyrrolysine.
From Science Daily
"We found that the machinery required to create pyrrolysine is widespread in the Archaea, especially amongst these methanogenic archaea that consume methylated amines," said Shalvarjian, now a postdoctoral researcher at Lawrence Livermore National Laboratory.
From Science Daily
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.
