biodegradable
Describes a substance or object that is capable of being decomposed by bacteria or other living organisms, thereby avoiding environmental pollution. In advanced contexts, it specifically refers to materials that can return to nature safely within a reasonably short period.
例文
3 / 5We started using biodegradable trash bags to reduce our household environmental footprint.
We started using biodegradable trash bags to reduce our household environmental footprint.
The municipality has mandated that all single-use catering supplies must be biodegradable.
The municipality has mandated that all single-use catering supplies must be biodegradable.
I think these coffee cups are biodegradable, so you can just toss them in the compost bin.
I think these coffee cups are biodegradable, so you can just toss them in the compost bin.
語族
覚え方のコツ
Break it into parts: 'Bio' (living things like bacteria) + 'degrade' (break down) + 'able' (can be). Living things can break it down.
クイックテスト
The company switched to ____ packaging to minimize its long-term impact on the local ecosystem.
正解！
正解は： biodegradable
例文
We started using biodegradable trash bags to reduce our household environmental footprint.
everydayWe started using biodegradable trash bags to reduce our household environmental footprint.
The municipality has mandated that all single-use catering supplies must be biodegradable.
formalThe municipality has mandated that all single-use catering supplies must be biodegradable.
I think these coffee cups are biodegradable, so you can just toss them in the compost bin.
informalI think these coffee cups are biodegradable, so you can just toss them in the compost bin.
The study investigates the metabolic pathways through which microorganisms break down biodegradable polymers in anaerobic conditions.
academicThe study investigates the metabolic pathways through which microorganisms break down biodegradable polymers in anaerobic conditions.
Investing in biodegradable packaging has significantly enhanced our corporate social responsibility profile.
businessInvesting in biodegradable packaging has significantly enhanced our corporate social responsibility profile.
語族
よく使う組み合わせ
よく使うフレーズ
100% biodegradable
100% biodegradable
biodegradable and compostable
biodegradable and compostable
certified biodegradable
certified biodegradable
よく混同される語
While all compostable materials are biodegradable, not all biodegradable materials are compostable; the latter must break down into nutrient-rich soil in specific settings.
Recyclable materials are processed by humans to be reused, whereas biodegradable materials decompose naturally via biological agents.
使い方のコツ
The term is widely used in environmental science and marketing to signal that a product will not persist in the environment. It is typically used as an attributive adjective before a noun.
よくある間違い
Learners often use 'degradable' interchangeably with 'biodegradable', but 'degradable' can refer to chemical or physical breakdown (like by sunlight), whereas 'biodegradable' requires living organisms.
覚え方のコツ
Break it into parts: 'Bio' (living things like bacteria) + 'degrade' (break down) + 'able' (can be). Living things can break it down.
語源
Derived from the Greek 'bios' (life) combined with the English 'degradable' (from Latin de- 'down' + gradus 'step'), first appearing in the mid-20th century.
文法パターン
文化的な背景
In contemporary Western society, the 'biodegradable' label is a powerful tool for 'green marketing' driven by consumer concern over plastic pollution.
クイックテスト
The company switched to ____ packaging to minimize its long-term impact on the local ecosystem.
正解！
正解は： biodegradable
関連語彙
関連単語
unknown
A1A person or thing that is not known, recognized, or familiar. It often refers to a mysterious situation or a person who has not yet achieved fame or success.
of
A1A preposition used to show a relationship between a part and a whole, or to indicate belonging and origin. It connects a noun or pronoun to another part of the sentence to specify which one or what kind.
in
A1A preposition used to indicate position within a container, a space, an area, or a period of time. It describes being surrounded by something or being inside the boundaries of a location.
it
A1A third-person singular pronoun used to refer to an object, animal, or situation that has already been mentioned or is clear from context. It is also frequently used as a dummy subject to talk about time, weather, or distance.
on
A1A preposition used to indicate that something is in a position above and supported by a surface. It is also used to indicate a specific day or date, or to show that a device is functioning.
as
A1A conjunction used to compare two things that are equal in some way. It is most commonly used in the pattern 'as + adjective/adverb + as' to show similarity.
this
A1Used to identify a specific person, thing, or idea that is physically close to the speaker or has just been mentioned. It can also refer to the present time or a situation that is currently happening.
by
A1A preposition used to show the method or means of doing something, or to identify the person or thing that performs an action. It frequently appears in passive sentences to indicate the agent or before modes of transport.
we
A1The word 'we' is a first-person plural pronoun used to refer to the speaker and one or more other people collectively. It is used as the subject of a sentence or clause.
or
A1A coordinating conjunction used to connect two or more possibilities or alternatives. it indicates that only one of the options is likely, required, or true.
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