Chemolithotrophic

Part of speech: adjective

Definitions

  1. Describing organisms that obtain energy by oxidizing inorganic compounds to drive biochemical processes; relating to life forms that use chemical reactions involving minerals or inorganic substances as an energy source; pertaining to microbes that metabolize inorganic molecules to sustain growth and metabolism
  2. Referring to bacteria or archaea that utilize inorganic chemical compounds for energy rather than organic material, enabling autotrophic nutrition; characterizing life forms which rely on inorganic substances as electron donors to produce energy; describing the metabolic strategy of oxidizing minerals chemically to derive energy for biological functions
  3. Indicating a mode of metabolism in certain microorganisms where energy is harnessed by chemical oxidation of inorganic compounds without sunlight; denoting species that obtain energy from inorganic chemicals rather than organic nutrients; related to the biological process of lithotrophy involving inorganic chemical compounds as a primary energy source

Etymology: "Chemolithotrophic" is a plain technical coinage built from three Greek-derived pieces, and each one carries a distinct piece of the meaning. "Chemo-" comes from "chēmīa," the New Latin form of "chemistry," itself linked to Greek "khumeíā," which the Arabic "al-kīmiyāʔ" and Medieval Latin "alchēmia" passed along, so the first element is ultimately the alchemists' word. "Litho-" comes from Greek "lĭ́thos," meaning "stone," and "-trophic" comes from Greek "trophḗ," meaning "nourishment," from the verb "tréphō," "to nourish." Put together, the word literally describes feeding on chemicals and stones. The word is a modern scientific term, not an ancient one. The Greek roots were available to ancient writers, but nobody in antiquity used this combination; it was assembled by scientists in the modern era from classical building blocks, following the same method used for much of biological and chemical vocabulary.

Synonyms: chemolithoautotrophic