Sterile

(1) Sterile Adjective [ Biology ]	Dictionary of botanic terminology - index of names
Adverb: Sterilely Noun: Sterility or Sterileness


	Of a living being incapable of reproducing ( unfertile , infertile ), not producing or incapable of producing offspring.

(2) Sterile [ Botany ]
Synonyms: Unfertile , Infertile, Fruitless, Unfruitful, Acarpous


	Used for plants or their parts. Not producing or incapable of producing seed, fruit, spores, or other reproductive organs.

For example a plant whit barren, not functional sexual parts, as, a sterile flower (sterile specimen= one without flowers).

Absolute sterility: complete and irremediable inability to produce offspring.
Female sterility: inability of the female part of a plant (gynoecium) to accept pollen as a result of a structural or functional defect in the reproductive organs. (also called "pod-sterile" plants)
Male sterility: inability of the male part of a plant to fertilize the ovule of another plant as a result of failure to produce living pollen. (also called "pollen-sterile" plants)

(3) Sterile [ Ecology ]


	Barren: of a land incapable of supporting vegetation, producing little or no vegetation or crops.

Unfruitful: unable to produce plants as a sterile desert.

(4) Sterile [ Phytopathology - microbiology ]
Synonym: Aseptic


	Aseptic. Free from live bacteria or other microorganisms: Free of or using methods to keep free of pathological microorganisms.

For example "a sterile operating area", “sterile instruments”.

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