annuation

annuation
\\ˌanyəˈwāshən\ noun (-s)
Etymology: Latin annuus yearly + English -ation — more at annual
1. : annual variation in the presence or absence or the abundance of particular members of a plant community usually relatable to annual climatic variation — compare aspection
2. : ecological observations made over a period of years

Useful english dictionary. 2012.

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Look at other dictionaries:

  • annuation — an·nu·a·tion …   English syllables

  • aspection — aˈspekshən noun ( s) Etymology: Latin aspection , aspectio, from Latin aspectus (past participle of aspicere) + ion , io ion 1. archaic : viewing 2. : seasonal variation in the appearance or makeup of a plant community usuall …   Useful english dictionary

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