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1. a period of ten consecutive years
2. a group or series of ten



(1) A ten-day period. During the French Revolution, the week was replaced by the decade.

(2) A group of ten—in antiquity, a group of soldiers, for example.

(3) A ten-day period of time devoted to some social event or special occasion—for example, a decade of Ukrainian literature or a decade of Azerbaijani music.


A group or assembly of 10 units; for example, a decade counter counts 10 in one column, and a decade box inserts resistance quantities in multiples of powers of 10.
(science and technology)
The interval between any two quantities having the ratio of 10 to 1.
References in periodicals archive ?
The decadal fluctuations in sea surface temperature show an intriguing relation to the amount of sea ice in the Labrador Sea, as the top figure opposite shows.
The Decadal Survey deemed a mission to Europa among the highest priority scientific pursuits for NASA.
This report outlines the findings of the Decadal Survey on Biological and Physical Sciences in Space, which aimed to identify key research imperatives for the life and physical sciences in the context of space travel to be addressed in the next ten years.
The negative phase of the Pacific decadal oscillation means a 30 percent drop in rainfall.
Dai will also explore the possibility of improving projections of near-future changes in regional precipitation and drought by combining decadal natural variations with the model-simulated response to future GHG forcing.
According to the National Research Council's Decadal Survey on Earth Science and Applications from Space, the mission will fill an urgent need in understanding the Earth's rapidly changing ice cover.
The RFI's focus is for concepts for a mission to Europa that costs less than $1 billion, excluding the launch vehicle that can meet as many of the science priorities as possible recommended by the National Research Council's 2011 Planetary Science Decadal Survey for the study of Europa.
One hundred and fifty-two papers are grouped according to the following themes (which correspond with the conference sessions): asteroid missions, attitude dynamics and control, orbit determination, trajectory design and optimization, attitude determination, rendezvous and proximity missions, space surveillance, trajectory design, spacecraft navigation and control, orbital debris, decadal survey and interplanetary mission design, innovative GNC test solutions, satellite relative motion, optical navigation, satellite constellations, low-thrust trajectory design, earth orbit and missions, orbital mechanics, attitude sensor, trajectory and mission analysis, and lunar trajectory design.
Prime Minister Manmohan Singh had assured Parliament that his government would soon take a decision on including a caste criterion in the country's mammoth decadal census.
The so-called Pacific Decadal Oscillation, an approximately 20-year-long cycle in ocean temperatures in the northern Pacific, seems to play a significant role as well, says Cook.
Oceanographer William Patzert at the National Aeronautics and Space Administration's JPL facility said he believes satellite data of sea-surface temperatures and heights indicate a change in the cycle known as the Pacific Decadal Oscillation.
Shade structures were first introduced to the United States in the mid 1990's, and now in their second decadal presence are proving their strength and durability as market acceptance continues to grow and take root.