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单词 adventitious
释义

Definition of adventitious in English:

adventitious

adjective ˌadv(ə)nˈtɪʃəsˌædvɛnˈtɪʃəs
  • 1Happening as a result of an external factor or chance rather than design or inherent nature.

    偶然的

    adventitious similarities

    一些偶然相似点。

    Example sentencesExamples
    • Not unnaturally, he basks in adventitious glory.
    • The narrative perhaps shares with a good many other such accounts the adventitious quality of a just so story.
    • They are adventitious benefits, which for policy reasons are not to be regarded as diminishing the plaintiff's loss.
    • Nowhere was this adventitious attitude to life more evident than in the rural music scene.
    • The influence a writer can exert is purely adventitious.
    • But that specification will be partly adventitious.
    • It was strange how you can run into people in such an adventitious way.
    • So far, the connection has been very adventitious.
    • Light was excluded during this stage to prevent adventitious photodamage.
    • That result was not an adventitious distortion of the tradition.
    • All of creation is an adventitious assault and modification of this preexisting ‘condition.’
    • For his closest friends and family his demise was shockingly adventitious.
    • Gouges in the sides may be adventitious consequences of the casting process, but in this context they read as scars.
    • Opportunities for adventitious habitat creation have been widely accepted.
    • It does not feel, subjectively, like some interfering, adventitious stuff has been removed.
    • So we are not dealing with a case of purely adventitious conversion to Christianity.
    • It is by no means adventitious that this statement combines an ethical proposition with an economic prescription.
    • What the audience identify with are the apparently adventitious features imposed by the logic of the form itself.
    • Then, as if in tribute to the adventitious nature of idea generation, the solution came to him in his sleep.
    • It was an adventitious consequence of the fixing of the date of the hearing.
    Synonyms
    unplanned, unpremeditated, accidental, unintentional, unintended, unexpected, unforeseen, involuntary, chance, fortuitous, serendipitous, coincidental, casual, random, fluky, unlooked-for, unhoped-for, not bargained for, out of the blue, without warning
    rare aleatory
    1. 1.1 Coming from outside; not native.
      外来的;非自然的
      the adventitious population

      外来人口。

      Example sentencesExamples
      • After all, we have dealt with adventitious GM presence in maize previously on several occasions.
      • One possible source for this high frequency dispersion could be trace amounts of adventitious oxygen or contributions from iron.
      • Indeed, it has been proposed that these adventitious materials play a role in in meso crystallization.
      • No adventitious spooks are required to account for this-the ‘laws’ of biochemistry and physics are spooky enough.
      Synonyms
      foreign, alien, non-native, outside, external, extraneous, extrinsic
    2. 1.2Biology Formed accidentally or in an unusual anatomical position.
      〔生〕偶生的,不定的
      adventitious lobes may appear between the primaries

      偶生裂片可能出现在初级飞羽之间。

      Example sentencesExamples
      • Although both mutants were isolated, each is morphologically distinct, suggesting adventitious genetic alterations.
      • Asymmetrical patches of growing feathers were considered adventitious replacement and not scored as molt.
      • In adventitious embryony, the embryo develops directly from nucellar or chalazal tissue without an intervening gametophyte stage.
      • Flight-feather molt categories were symmetric, adventitious, and juvenal.
      • It has previously been shown that adventitious organogenesis and embryogenesis could occur in parallel from in vitro-cultured tissues of Helianthus.
    3. 1.3Botany (of a root, shoot, etc.) produced in an unusual part of a plant.
      Example sentencesExamples
      • The total number of primary adventitious roots per plant was closely correlated with corm dry weight.
      • Plants were washed carefully out of soil and the individual adventitious roots originating from the stem base were removed for testing.
      • After removal, such stem segments could produce adventitious roots under moist soil conditions, and produce new plants.
      • The young parasite then develops a tubercle, with adventitious roots and a shoot.
      • Oxygen transport from shoot through adventitious roots has been visualized directly.
      • If adventitious rooting could be introduced into a crop like cotton, it could lead to new production efficiencies.

Derivatives

  • adventitiously

  • adverb
    • Leafy shoots are borne adventitiously on the dorsal side of the long, creeping root.
      Example sentencesExamples
      • When I thought about avoiding Adam, I just ran into him adventitiously.
      • On the facts as we understand them, it was an offence adventitiously committed.
      • Even the sexual aspects of the story seem more integral to the whole and are not adventitiously added for a prurient effect.
      • That is, idiosyncratic behavior may develop adventitiously.

Origin

Early 17th century: from Latin adventicius 'coming to us from abroad' (from advenire 'arrive') + -ous (see also -itious2).

Rhymes

Aloysius, ambitious, auspicious, avaricious, capricious, conspicuous, delicious, expeditious, factitious, fictitious, flagitious, judicious, lubricious, malicious, Mauritius, meretricious, nutritious, officious, pernicious, propitious, repetitious, seditious, siliceous, superstitious, suppositious, surreptitious, suspicious, vicious

Definition of adventitious in US English:

adventitious

adjectiveˌadvenˈtiSHəsˌædvɛnˈtɪʃəs
  • 1Happening or carried on according to chance rather than design or inherent nature.

    偶然的

    my adventures were always adventitious, always thrust on me
    Example sentencesExamples
    • Nowhere was this adventitious attitude to life more evident than in the rural music scene.
    • That result was not an adventitious distortion of the tradition.
    • Not unnaturally, he basks in adventitious glory.
    • Then, as if in tribute to the adventitious nature of idea generation, the solution came to him in his sleep.
    • So far, the connection has been very adventitious.
    • All of creation is an adventitious assault and modification of this preexisting ‘condition.’
    • So we are not dealing with a case of purely adventitious conversion to Christianity.
    • The influence a writer can exert is purely adventitious.
    • The narrative perhaps shares with a good many other such accounts the adventitious quality of a just so story.
    • It is by no means adventitious that this statement combines an ethical proposition with an economic prescription.
    • Light was excluded during this stage to prevent adventitious photodamage.
    • It was an adventitious consequence of the fixing of the date of the hearing.
    • It was strange how you can run into people in such an adventitious way.
    • Opportunities for adventitious habitat creation have been widely accepted.
    • But that specification will be partly adventitious.
    • It does not feel, subjectively, like some interfering, adventitious stuff has been removed.
    • They are adventitious benefits, which for policy reasons are not to be regarded as diminishing the plaintiff's loss.
    • Gouges in the sides may be adventitious consequences of the casting process, but in this context they read as scars.
    • What the audience identify with are the apparently adventitious features imposed by the logic of the form itself.
    • For his closest friends and family his demise was shockingly adventitious.
    Synonyms
    unplanned, unpremeditated, accidental, unintentional, unintended, unexpected, unforeseen, involuntary, chance, fortuitous, serendipitous, coincidental, casual, random, fluky, unlooked-for, unhoped-for, not bargained for, out of the blue, without warning
    1. 1.1 Coming from outside; not native.
      外来的;非自然的
      the adventitious population

      外来人口。

      Example sentencesExamples
      • After all, we have dealt with adventitious GM presence in maize previously on several occasions.
      • No adventitious spooks are required to account for this-the ‘laws’ of biochemistry and physics are spooky enough.
      • Indeed, it has been proposed that these adventitious materials play a role in in meso crystallization.
      • One possible source for this high frequency dispersion could be trace amounts of adventitious oxygen or contributions from iron.
      Synonyms
      foreign, alien, non-native, outside, external, extraneous, extrinsic
    2. 1.2Biology Formed accidentally or in an unusual anatomical position.
      〔生〕偶生的,不定的
      propagation of sour cherries by adventitious shoots
      Example sentencesExamples
      • Although both mutants were isolated, each is morphologically distinct, suggesting adventitious genetic alterations.
      • It has previously been shown that adventitious organogenesis and embryogenesis could occur in parallel from in vitro-cultured tissues of Helianthus.
      • Asymmetrical patches of growing feathers were considered adventitious replacement and not scored as molt.
      • In adventitious embryony, the embryo develops directly from nucellar or chalazal tissue without an intervening gametophyte stage.
      • Flight-feather molt categories were symmetric, adventitious, and juvenal.
    3. 1.3Botany (of a root) growing directly from the stem or other upper part of a plant.
      〔植〕(根)不定的
      Example sentencesExamples
      • After removal, such stem segments could produce adventitious roots under moist soil conditions, and produce new plants.
      • The total number of primary adventitious roots per plant was closely correlated with corm dry weight.
      • The young parasite then develops a tubercle, with adventitious roots and a shoot.
      • Plants were washed carefully out of soil and the individual adventitious roots originating from the stem base were removed for testing.
      • Oxygen transport from shoot through adventitious roots has been visualized directly.
      • If adventitious rooting could be introduced into a crop like cotton, it could lead to new production efficiencies.

Origin

Early 17th century: from Latin adventicius ‘coming to us from abroad’ (from advenire ‘arrive’) + -ous (see also -itious).

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更新时间:2024/10/19 15:39:38