ScienceJuly 20, 2026
autotroph
ˈɔːtəˌtrɒf
Definition
An organism capable of synthesizing its own nutritional substances, such as food or energy, from inorganic sources like light or chemicals.
Etymology
The word is derived from the Greek 'autos' meaning 'self' and 'trophē' meaning 'nourishment.' It entered English to describe organisms that provide their own sustenance rather than consuming others.
In the news
The term appeared in the article as a suggested follow-up topic for further scientific learning. It represents a fundamental biological concept distinct from the featured article's focus on space science.
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