Definition: The height in mountains or at certain latitudes where trees can no longer grow due to environmental conditions.

Example: As we climbed higher, we reached the timberline where the trees stopped growing.

Definition: A container made of metal used to hold tinder and often includes tools like flint and steel to start a fire.

Example: The campers packed a tinderbox to ensure they could start a fire easily in the wilderness.

Definition: A unit of weight equal to 1,000 kilograms, commonly used in measuring large quantities of goods.

Example: The truck can carry up to ten tonnes of cargo.

Definition: To apply a layer of material, such as fertilizer or soil, on the surface of soil or grass to improve its quality.

Example: The gardener decided to topdress the lawn to promote healthy growth.

Definition: A type of material that is spread on top of soil to improve its quality or appearance.

Example: The gardener applied topdressing to the lawn to help it grow healthier.

Definition: To apply a layer of soil, compost, or fertilizer to the surface of soil or grass to improve its quality.

Example: The gardener is topdressing the lawn to help it grow healthier.

Definition: The top layer of soil that is rich in nutrients and where most plants grow.

Example: Farmers often test the topsoil to ensure it has the right nutrients for crops.

Definition: The uppermost layer of soil that is rich in nutrients and supports plant growth.

Example: Farmers often need to replace the topsoil to ensure healthy crops.

Definition: The process of removing the upper layer of soil from a piece of land, usually before starting construction or landscaping work.

Example: Topsoiling is an important step in preparing the land for building projects.

Definition: A harmful chemical compound that was used to kill insects but is now banned due to its toxicity.

Example: Farmers used toxaphene to protect their crops from pests before it was banned.

Definition: Something that can cause harm or death, especially because it is poisonous or harmful to health.

Example: The factory was fined for dumping toxic waste into the river.

Definition: A harmful substance that can cause injury or illness to living things.

Example: The factory was fined for releasing toxic waste into the river.

Definition: Something that is poisonous or harmful to living things.

Example: The toxicant in the water supply caused serious health issues for the community.

Definition: A substance that can cause harm or illness to living organisms.

Example: The toxicant in the water supply made many people sick.