plantbuildingblock
nounUK /plɑːnt ˈbɪldɪŋ blɒk/
US /plænt ˈbɪldɪŋ blɑːk/
A plant building block is a tiny part of a plant that helps it grow.
The roots are a plant building block that drinks water from the soil.
OTHER MEANINGS
2. A basic unit used to make a model or toy plant.
We used green blocks as a plant building block for our toy garden.
3. A simple idea that helps someone understand how plants work.
Photosynthesis is a plant building block we learn in science class.
4. A small piece of plant material used in experiments.
The scientist placed a plant building block under the microscope.