Not secondary; not of second importance or rank; primary or not serving a supporting role.
From dis- (opposite/not) + secondary (from Latin secundus meaning second). A logical formation meaning the opposite of secondary importance.
In ecology, scientists realized that what they thought were merely 'secondary' forests (regrowth after clearing) were actually disecondary ecosystems with their own unique value—this linguistic shift helped save millions of acres from being dismissed as unimportant.
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