decadal

English

Etymology

From decade +‎ -al.

Pronunciation

• (UK) IPA^(key): [dɪˈkeɪdəɫ]

Adjective

decadal (not comparable)

1. Of or related to the number ten.
2. Of or related to a decade, in its various senses.
   • 2017, W. Hugh Woodin, In search of Ultimate-L: The 19th Midrasha Mathematicae Lectures (Version: January 30, 2017), p. 2

     About the same time in a decadal sense, there was a rather unexpected discovery.

Usage notes

Although decade may be taken as any group of ten years, it is commonly restricted to the informal ten-year periods of the calendar whose last digits run from 0 to 9. In such contexts, decadal refers to such calendar periods while decennial etc. refer to ten-year periods in other contexts.

Synonyms

• (in some contexts): See decennial

Derived terms

• decadally
• interdecadal
• intradecadal
• multidecadal
• subdecadal

 

See also

• (base-10 numeration): See decimal

Romanian

Etymology

From decadă +‎ -al.

Adjective

decadal m or n (feminine singular decadală, masculine plural decadali, feminine and neuter plural decadale)

1. (attributive) ten days

Declension

		singular				plural
		masculine	neuter	feminine		masculine	neuter	feminine
nominative- accusative	indefinite	decadal		decadală		decadali	decadale
	definite	decadalul		decadala		decadalii	decadalele
genitive- dative	indefinite	decadal		decadale		decadali	decadale
	definite	decadalului		decadalei		decadalilor	decadalelor