compostable
/kəmˈpɒstəbl/ (bre, ipa) · /kəmˈpəʊstəbl/ (ame, ipa) · /ˈkäm-ˌpō-stə-bəl especially British -ˌpä-/ (ame, mw)
compostable — adjective
- compostablepositive
- more compostablecomparative
- most compostablesuperlative
1. able to break down and turn into compost after disposal instead of staying as or
able to break down and turn into compost after disposal instead of staying as ordinary rubbish
The festival switched to compostable cups for the food stalls.
attributive: compostable + cup
These sandwich boxes are compostable, so put them in the green bin.
predicative: be + compostable
Nadia bought compostable tea bags for the office kitchen.
Mert checked whether the takeaway lid was compostable before cleanup.
At the school picnic, volunteers handed out compostable plates and forks.
- biodegradable
broader — something biodegradable breaks down naturally, but it may not become usable compost
- decomposable
broader and less common — focuses on breaking down, not specifically on compost
- non-compostable
cannot be put into a composting system
文法句型
compostable + noun
be + compostable
用法筆記
Often used for packaging, food containers, and other items meant for compost collection. Do not confuse it with 'recyclable': compostable items are meant to break down into compost, not to be melted or processed into new material.