autotroph

[ aw-tuh-trof, -trohf ]
/ ˈɔ təˌtrɒf, -ˌtroʊf /

noun Biology.

any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists.
Compare heterotroph.

Origin of autotroph

1935–40; back formation from autotrophic; see auto-1, trophic

OTHER WORDS FROM autotroph

au·to·troph·ic, adjective

Example sentences from the Web for autotrophic

British Dictionary definitions for autotrophic

autotrophic
/ (ˌɔːtəˈtrɒfɪk) /

adjective

(of organisms such as green plants) capable of manufacturing complex organic nutritive compounds from simple inorganic sources such as carbon dioxide, water, and nitrates, using energy from the sun Compare heterotrophic

Derived forms of autotrophic

autotroph (ˈɔːtətrəʊf), noun

Medical definitions for autotrophic

autotroph
[ ôtə-trŏf′, -trōf′ ]

n.

An organism capable of synthesizing its own food from inorganic substances using light or chemical energy. Green plants, algae, and certain bacteria are autotrophs.

Other words from autotroph

au′to•trophic (-trŏfĭk, -trōfĭk) adj.

Scientific definitions for autotrophic

autotroph
[ ôtə-trŏf′ ]

An organism that manufactures its own food from inorganic substances, such as carbon dioxide and ammonia. Most autotrophs, such as green plants, certain algae, and photosynthetic bacteria, use light for energy. Some autotrophs, such as chemosynthetic bacteria, obtain their energy from inorganic compounds such as hydrogen sulfide by combining them with oxygen. Compare heterotroph.

Other words from autotroph

autotrophic adjective (ô′tə-trŏfĭk, -trōfĭk)