adventitious

英/ ˌædvenˈtɪʃəs /

美/ ˌædvenˈtɪʃəs /

TOEFL/GRE/

1
偶然的
出现；到来；将临期；基督降临（圣诞节前的四个星期） adventitious adj. 偶然的；外来的； <生>偶生的；后天的 adverse adj. 不利的；有害的；逆的；相反的同义词 .
2
[科技] 不定的
... advanced glycosylation end product高级糖基化终产物 adventitious不定的，无定形的 adverse effect反效果，副作用 ...
3
外来的
出现；到来；将临期；基督降临（圣诞节前的四个星期） adventitious adj. 偶然的； 外来的； <生>偶生的；后天的 adverse adj. 不利的；有害的；逆的；相反的同义词 .
4
异位的
... adventitia 外膜 adventitious 外来的；异位的 adynamia 无力；虚弱 ...

短语

1
Adventitious buds regeneration from etiolated internode segment of apple cultivar Nagafu no.
富士苹果黄化茎段再生不定芽的研究。
2
They had to decide whether his misconduct was adventitious or the result of a flaw in his character.
他们必须确定他的错误行为是偶然发生的还是因为他的性格缺陷造成的。

Adventitious
Adventitious has various meanings in various disciplines and in general usage.Adventitious is from the Latin root advenire, meaning "to come or be superadded" and in correct English the meanings tend to have connections to accidental or casual occurrence. "...of the nature of an addition from without; supervenient, accidental, casual.People sometimes speak of an event or occurrence as being "random", when the word "adventitious", or perhaps "accidental", might be more strictly correct.

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