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单词 amoeba
释义

Definition of amoeba in English:

amoeba

(US ameba)
nounPlural amoebas, Plural amoebaeəˈmiːbəəˈmibə
  • A single-celled animal that catches food and moves about by extending fingerlike projections of protoplasm. Amoebas are either free-living in damp environments or parasitic.

    阿米巴,变形虫

    Many families and genera in the phylum Rhizopoda, kingdom Protista, including the aquatic Amoeba proteus

    Example sentencesExamples
    • To put this time span in perspective, two billion years ago our ancestors were microscopic single-celled amoebas.
    • It must have a flexible structure that can expand and change, in much the same way that an amoeba adapts to its environment.
    • The virus lives in single-celled organisms called amoebae and may be able to infect humans.
    • Contact with protozoa, the tremendously varied group of more sophisticated single-celled microbes that includes amoeba and paramecium, has also been greatly reduced in the developed world by water and food treatment measures.
    • Pheromones are widespread in the animal world, from the single-celled amoeba to human beings.

Derivatives

  • amoebic

  • adjectiveəˈmiːbɪk
    • Approximately a third of cases of dysentery were classified amoebic, a third as bacillary and the rest remained undifferentiated.
      Example sentencesExamples
      • Fever is the presenting symptom in 10 to 15 percent of patients, and therefore amebic abscess should be considered in patients with a fever of unknown origin.
      • Elsewhere, amoebic abscesses are more common, and, worldwide, amoebae are the commonest cause.
      • The patterns and motifs are highly complex, ranging from starbursts and amoebic shapes to flowers and birds.
      • If you develop an amoebic liver abscess and have not responded well to antibiotic treatment after seven days, or there is a high risk that the abscess may rupture, your doctor may suggest a small operation to drain the abscess.
  • amoeboid

  • adjectiveəˈmiːbɔɪdəˈmiˌbɔɪd
    • Denoting or characteristic of an amoeba.

      marine amoeboid organisms
      Example sentencesExamples
      • Capable of ameboid movement, these cells wander throughout the connective tissue and congregate in regions requiring their specialized function.
      • In these he developed a highly distinctive repertoire of weird subjects - strange amoeboid creatures, insects, and plants with human heads - influenced by the writings of Edgar Allan Poe.
      • Then, a bridge-like conjugation tube is formed to connect neighboring cells, and the amoeboid cells from one filament move over into the neighboring filament.

Origin

Mid 19th century: modern Latin, from Greek amoibē 'change, alternation'.

Definition of amoeba in US English:

amoeba

(also ameba)
nounəˈmēbəəˈmibə
  • A single-celled animal that catches food and moves about by extending fingerlike projections of protoplasm. Amoebas are either free-living in damp environments or parasitic.

    阿米巴,变形虫

    Many families and genera in the phylum Rhizopoda, kingdom Protista, including the aquatic Amoeba proteus

    Example sentencesExamples
    • Contact with protozoa, the tremendously varied group of more sophisticated single-celled microbes that includes amoeba and paramecium, has also been greatly reduced in the developed world by water and food treatment measures.
    • Pheromones are widespread in the animal world, from the single-celled amoeba to human beings.
    • The virus lives in single-celled organisms called amoebae and may be able to infect humans.
    • To put this time span in perspective, two billion years ago our ancestors were microscopic single-celled amoebas.
    • It must have a flexible structure that can expand and change, in much the same way that an amoeba adapts to its environment.

Origin

Mid 19th century: modern Latin, from Greek amoibē ‘change, alternation’.

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更新时间:2025/1/14 6:42:20