noun

a substance that is obtained from seaweed, used for making liquids thicker or for making them solid. It is a type of carbohydrate.

noun

a substance found in plants that is used in drugs and poisons. Morphine, nicotine, and strychnine are all alkaloids.

noun

a substance like oil that comes from plants. It has a strong smell and is used in medicines and perfumes.

noun

a substance produced by this plant that is used as a drug

noun

a substance that forms the outer layer of plant cells and plant fibres

noun

the green substance in plant cells that uses the energy from the sun to make food through the process of photosynthesis

noun

a poisonous substance made from a South American plant

noun

a liquid that contains the strong taste or smell of the plant that it is taken from

noun

an oil that contains the qualities of the plant that it is taken from, used for making perfume and in aromatherapy

noun

a substance that has been taken from a plant or from another substance

noun

the fibres from the stem of a flax plant, used for making linen (=a strong cloth)

noun

the root of a wild plant that many people believe gives them strength and energy

noun

a poison made from the hemlock plant

noun

a substance from plants that is used for making cloth or rope

noun

oil from a lavender plant, used in perfumes and aromatherapy

noun

the seed from a flax plant

noun

an oil from linseed used in making such things as paint and ink

noun

a white liquid that some plants such as the coconut produce

noun

a sweet liquid that some flowers make and that insects and birds drink

noun

an essential oil

noun

an oil obtained from a plant, used for making perfume and in aromatherapy

noun

the white substance inside the stems of some plants

noun

a powder produced by flowers. It is carried by the wind or insects to other flowers so that they can produce new seeds.

noun

wood or plant fibre that is crushed for making paper

noun

a transparent sticky substance produced by some plants and trees, often used for making paints, glue, and plastic

noun

a sticky substance found in plants and trees

noun

a liquid that is produced by a living thing, or the process of producing this liquid

noun

a common type of sugar that comes from plants such as sugar cane

noun

one of a group of sweet substances contained in plants, for example fructose or glucose

noun

a yellow-brown substance from trees and plants used in making leather

noun

the light soft white substance on thistle seeds