Definition of panspermia in English:

panspermia

noun panˈspəːmɪəpanˈspərmēə

mass noun

The theory that life on the earth originated from microorganisms or chemical precursors of life present in outer space and able to initiate life on reaching a suitable environment.
有生源说，胚种论
Example sentencesExamples
- Francis Crick, codiscoverer of the structure of DNA, proposes direct panspermia: dispersal of single-celled organisms throughout the Galaxy.
- The concept of interstellar panspermia has been a philosophical luxury; it may soon become a necessity if constraints of evolutionary theory continue to conspire against an origin of life in our solar system.
- Francis Crick was one of the early proponents for the panspermia hypothesis, that is, that life actually originated somewhere else and came to earth.
- Comets play a crucial role in our theory of panspermia because it's comets that are responsible for replicating, for multiplying cosmic bacteria in their interiors and for transferring these bacteria cells from one location to another.
- A theory known as panspermia suggests that organic precursors to life arrived to Earth with meteors.

Origin

Mid 19th century: from Greek, from panspermos 'containing all kinds of seed'.

Definition of panspermia in US English:

panspermia

nounpanˈspərmēə

The theory that life on the earth originated from microorganisms or chemical precursors of life present in outer space and able to initiate life on reaching a suitable environment.
有生源说，胚种论
Example sentencesExamples
- Francis Crick was one of the early proponents for the panspermia hypothesis, that is, that life actually originated somewhere else and came to earth.
- Francis Crick, codiscoverer of the structure of DNA, proposes direct panspermia: dispersal of single-celled organisms throughout the Galaxy.
- Comets play a crucial role in our theory of panspermia because it's comets that are responsible for replicating, for multiplying cosmic bacteria in their interiors and for transferring these bacteria cells from one location to another.
- A theory known as panspermia suggests that organic precursors to life arrived to Earth with meteors.
- The concept of interstellar panspermia has been a philosophical luxury; it may soon become a necessity if constraints of evolutionary theory continue to conspire against an origin of life in our solar system.

Origin

Mid 19th century: from Greek, from panspermos ‘containing all kinds of seed’.

词汇	panspermia
释义	Definition of panspermia in English: panspermia noun panˈspəːmɪəpanˈspərmēə mass noun The theory that life on the earth originated from microorganisms or chemical precursors of life present in outer space and able to initiate life on reaching a suitable environment. 有生源说，胚种论 Example sentencesExamples Francis Crick, codiscoverer of the structure of DNA, proposes direct panspermia: dispersal of single-celled organisms throughout the Galaxy. The concept of interstellar panspermia has been a philosophical luxury; it may soon become a necessity if constraints of evolutionary theory continue to conspire against an origin of life in our solar system. Francis Crick was one of the early proponents for the panspermia hypothesis, that is, that life actually originated somewhere else and came to earth. Comets play a crucial role in our theory of panspermia because it's comets that are responsible for replicating, for multiplying cosmic bacteria in their interiors and for transferring these bacteria cells from one location to another. A theory known as panspermia suggests that organic precursors to life arrived to Earth with meteors. Origin Mid 19th century: from Greek, from panspermos 'containing all kinds of seed'. Definition of panspermia in US English: panspermia nounpanˈspərmēə The theory that life on the earth originated from microorganisms or chemical precursors of life present in outer space and able to initiate life on reaching a suitable environment. 有生源说，胚种论 Example sentencesExamples Francis Crick was one of the early proponents for the panspermia hypothesis, that is, that life actually originated somewhere else and came to earth. Francis Crick, codiscoverer of the structure of DNA, proposes direct panspermia: dispersal of single-celled organisms throughout the Galaxy. Comets play a crucial role in our theory of panspermia because it's comets that are responsible for replicating, for multiplying cosmic bacteria in their interiors and for transferring these bacteria cells from one location to another. A theory known as panspermia suggests that organic precursors to life arrived to Earth with meteors. The concept of interstellar panspermia has been a philosophical luxury; it may soon become a necessity if constraints of evolutionary theory continue to conspire against an origin of life in our solar system. Origin Mid 19th century: from Greek, from panspermos ‘containing all kinds of seed’.
随便看	coders codes code-share code-share code-sharing code-switch code-switch code-switching co-determinant co-determination code word code words codex codexes codfish codfish codfishes codger codgers codical codice codices codices codicil codicillary